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".

[Q]: Amy was dreading the beginning of the school year but not Betty because _ was smart. (A) Amy (B) Betty
[A]: B


[Q]: The speakers were speaking to Patricia's heart and not Rachel's due to _ being attentive. (A) Patricia (B) Rachel
[A]: A


[Q]: Chris was working fine with the computer but was maladaptive to the tablet because the _ was difficult to use. (A) computer (B) tablet
[A]:
B