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".

Jeffrey took the time to caulk their windows but Robert didn't bother. _ saw their electric bill decrease. (A) Jeffrey (B) Robert
A

Steven read more books than Ryan during the school year although _ was a much better reader. (A) Steven (B) Ryan
B

William forgot about all the times when Ian saved them, despite how _ was generally self-sacrificing. (A) William (B) Ian

B