With no explanation, chose the best option from "A" or "B". John gets fired at work and comes home and tells his wife Janet who asks him why he thinks he got let go. John wants to respond to Janet's question.

A: John tells Janet that it's because she's not a supportive wife, and if he was married to someone else he'd still have a job.
B: John tells Janet that he thinks it's because he could do a lot more to improve his performance and vows to do so at his next job.
B.