甲某是某派出所民警。某日甲某在车站遇到其友乙某，乙某告知因犯杀人罪正在受到追捕。甲某给1000元，将乙某送上火车。当追捕乙某的公安人员赶到时，甲某有意上前搭讪，故意延误追捕者时间，使列车出站，乙某逃脱。甲某行为构成：

A．窝藏罪

B．帮助犯罪分子逃避罪

C．徇私枉法罪

D．私放在押人员罪

—Do you like the hero ______ fights for freedom all the time in the book?

—Yes, of course. I think he is great.

A．who

B．which

C．what

D．whom