The paragraph contains sentences that wander from the main topic.
unless this is a multiple choice answer and there are options that go with it please comment them
Answer:
It a girl's jacket.
Explanation:
Because girl is not a plural and the word which is not plural S come before the sentence.
The answer is B. Remember "You're" stands for "You are"... so all you have to do is read the sentences and instead of saying you're, say you are.