---- ______ film do you prefer, Lost in Thailand or Life of Pi, Mandee?

----Lost in Thailand. I like comedies because they often make me laugh.

A．Which

B．What

C．Whose

D．Whatever

行人甲与乙因自行车相撞发生争吵，甲朝乙胸部猛击一拳，乙倒地，因反射性心跳停止而死亡。甲的行为构成( )。

A．故意杀人罪
B．过失致人死亡罪
C．故意伤害(致死)罪
D．不构成犯罪