In the excerpt, the word "pungent" refers to the pickles' aroma.
Pungent is a word to describe a very strong smell, very sharp and biting. So when Untermeyer used the word pungent to refer to the pickles, he was talking about their aroma, which is a fancy way to say smell.
Answer:
C). She is eager to try English phrases and expressions.
Explanation:
You can see by how she says "¡Ya, ya!" that she is not a native English speaker and probably doesn't know what the idiom means, but still tries to use it anyway, showing her eagerness.