It seems our sons share their father 's and my sarcastic sense of humour . Perhaps it is a survival skill , but it is a skill they have mastered nonetheless .
Why would the mother be unsure whether to believe her son ?
Pick the best answer from the following options:
A. Her son is a joker .
B. Her son is a liar .
C. None of the above choices .
D. Her son is a con artist .


A