设a、b和c都是int型变量，且a=3、b=4、c=5，则下面的表达式中，值为0的表达式是______。

A．'a'&&'b'

B．a＜=b

C．a||+c&&b-c

D．!((a＜ &&!c||1)

The affluent middle class created by the Asian boom now take up over from exports as the main engine of growth.

A．take over from exports

B．take from exports

C．take exports

D．takes exports