The most destructive element in the human mind is fear．Only when we are no longer afraid _______ to live．

A．we are beginning

B．begin we

C．we begin

D．do we begin

甲欲杀乙，乘乙与朋友在餐馆聚会，向其投掷自制炸药，炸药爆炸后没有伤着乙，却致与乙一起聚餐的丙当场死亡，丁、戊受重伤。甲的行为应以（）。

A．故意杀人罪定罪处罚

B．故意杀人罪与故意伤害罪并罚

C．爆炸罪定罪处罚

D．故意杀人罪与故意伤害罪、爆炸罪并罚