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".

Justin had eaten Ramen noodles for years, but Joseph had just started, therefore _ had tried all of the flavors. (A) Justin (B) Joseph
A

Bugs freak Sarah out, while Katrina is a lover of them _ is an outdoor human being. (A) Sarah (B) Katrina
B

Rachel handed Carrie twenty dollars so at the cash register _ could sell the collar for the puppy. (A) Rachel (B) Carrie

B