．Millions of pounds' worth of damage___________by a storm which swept across the southeast of China last month.

A．has been caused

B．had been caused

C．will be caused

D．will have been caused

公 * * 品的特征包括（）。

A．效用的不可分割性

B．取得方式的竞争性

C．受益的排他性

D．提供主体的市场性

E．提供目的的非盈利性