differences among choice, alternative, selection and substitute

[Rebecca]

HELLO!
If you don't mind, i just want to know what are the differences among these words: choice, alternative, selection and substitute.
Thanks in advance

[Torsten]

They are used in different contexts and combined with different verbs and nouns. We need more context to better answer your question.
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Test Of English for International Communication
TOEIC Preparation & TOEIC Vocabulary

[Rebecca]

Sorry!
The situation here is:
Some data surveyed be the researchers have already proved that there is no ....... for mother's milk.
A-alternative C-substitute
B-exchange D-equivalent
What is the answer and why?
Thanks.

[Duc]

I think the correct answer may be C.You can look the meanings of the words in Lac viet Dictionary because this is the dictionary for Vietnamese
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[Rebecca]

Thanks
But actually, I just want to know more clearly the differences in some particular situation.
By the way, hello duc - a Vietnamese friend