Some wondering about and around my country's English test for freshmen!

[Peace_Love2911]

I did the test and there's something I found hard to explain why the key answer's right. So can someone help me?
Q1. Read the passage carefully then choose the right choice from A,B,C and D.
Reading to oneself is a modern activity, which was almost unknown to the scholars of the classical and medieval worlds, while during the fifteenth century, the term " reading" wundoubtedly meant reading aloud. Only during the nineteenth century did silent reading become commonplace.
One should be wary, however, of assuming that silent reading came about simply because reading aloud was a distraction to others. Examinations of factors related to the historical development of silent reading have revealed that it became the usual mode of reading for most adults mainly because the tasks themselves changed in character.
The last century saw a steady gradual increase in leteracy and thus in the number of readers. As the number of readers increased, the number of potential listeners declined and thus there was some reduction in the need to read aloud. As reading for the benefit of listeners grew less in common, so came the flourishing of reading aloud would cause distraction to other readers.
Towards the end of the century, there was still considerable argument over whether books should be used for information or treated respectfully and over whether the reading of materials such as newspaper was in some way mentally weakening. Indeed, this argument remains with us still in education. However, whatever its virtues, the old shared literacy culture had gone and was replaced by the printed mass media on the one hand, and by books and periodicals for a specialise readership on the other.
By the end of the twentieth century, students were being recommended to adopt attitudes to books and to used reading skills which were inappropriate, if not impossible, for the oral reader. The social, cultural and technological changes in the century had greatly altered what the term "reading" implied.

Question: Which of the following statements is not true according to the passage?
A. Reading aloud was more common in the past than it is today.
B. Not all printed mass media was appropriate for reading out loud.
C. The decline of reading aloud was wholly due to its distracting effect.
D. The change in reading habits was partly due to the social, cultural and technological changes.

Thank you for helping!
>to be continued<

[Yankee]

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Which one did you choose, PL?
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[Peace_Love2911]

I chose the second choice! Choice B since I don't see that it was mentioned in the passage ^^