In this task, you are given a question containing a blank (_) and two options. You should pick the best option to answer the question. Please answer with "A" or "B".

Erin was more unfamiliar with France compared to Rebecca because _ visited many times before. (A) Erin (B) Rebecca
B

Aaron drank plenty of water before the hike, but Christopher forgot to, so _ ended up getting dehydrated. (A) Aaron (B) Christopher
B

Rebecca joined the Girl Scouts before Laura, therefore _ has more experience selling yummy but overpriced cookies. (A) Rebecca (B) Laura
A