The appositive phrase is not Maya Lin, like the comment above me stated, but it is B) Chinese-American.
An appositive phrase is usually separated from the rest of the sentence by commas, and it describes the subject, which here is Maya Lin.
Answer:
there's no idiom
Could you please elaborate?
Answer:
Verb: Won
Subject: I believe it's Dalai Lama...
Explanation:
Argumentative.
it shows that you have an opinion on the subject and aren't afraid to show it.
hope this helps! :)