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".

The physical reports showed Nick was not as healthy as Ian because _ frequently exercised. (A) Nick (B) Ian
B

Once the mind is made up, Neil will not change it but Kyle might as _ is very stubborn. (A) Neil (B) Kyle
A

Lindsey bonded more quickly with her classmates than Jessica because _ had a friendly disposition. (A) Lindsey (B) Jessica

A