-----“What did he ask you?”

-----“_____ I would be late.”

A．That

B．When

C．Where

D．Whether

甲在商场看中一块价值2万元的手表，便以选购手表为名，要售货员将手表拿来看看。甲在接到售货员递过来的手表后立即逃走。甲的行为构成

A.抢夺罪

B.诈骗罪

C.侵占罪

D.盗窃罪