A．Because he is allocated to his own instructor.
B．Because as a beginner he needs to be taught not to get hurt.
C．Because the fitness training is cheap and safe.
D．Because the season ticket is not available now.

A．The husband is not so observant.
B．The wife is annoyed at her husband’s absent-mindedness.
C．The husband hasn’t told the truth.
D．The husband felt surprised about her wife’s new hairstyle.