Modify vs. change

[nuuniie]

Synonym Search, Intermediate level

ESL/EFL Test #106 "Synonyms for change and shift", question 2

Marina had to ......... her opinion if she wanted to please her parents.

(a) transform
(b) alter
(c) modify
(d) change

Synonym Search, Intermediate level

ESL/EFL Test #106 "Synonyms for change and shift", answer 2

Marina had to change her opinion if she wanted to please her parents.

Correct answer: (d) change

Your answer was: correct
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why should i use the verb modify in this sentence?This political change will completely modify the structure of the city administration.

[Conchita]