Concept:The idiom "held her tongue" means choosing not to speak or remaining silent.
Explanation:In the sentence, Gil "held her tongue" on sensitive political issues.
This means she controlled her urge to speak about those topics.
Option A is incorrect because she did not literally bite her tongue.
Option C is incorrect because the phrase does not mean maintaining her stand.
Option D is incorrect because it has nothing to do with laughing.
The idiom "hold one's tongue" is commonly used to mean "keep silent" or "refrain from speaking."
Therefore, the most suitable meaning is that she kept silent.
Answer:B. kept silent