Which sentence contains an underlined word with the most positive connotation?

A.
When we first met, I thought Raegan was polite and conversational.
B.
Fran and Raoul were chatty and gossiped about the latest news.
C.
When I first met Amy, I thought she was too talkative.
D.
Lincoln didn’t notice that I was trying to speak and just jabbered on.