A lunar probe-Chang’e-2 as much as 2 tons was sent up into space on October1.A. weighi

问题补充：

A lunar probe-Chang’e-2 as much as 2 tons was sent up into space on October1.

A. weighing

B. weighed

C. to be weighed

D. being weighed

答案：

(答案→)A. weighing

B. weighed

C. to be weighed

D. being weighed

解析：考查非谓语动词。一个重达两吨的嫦娥二号卫星，weigh 做动词表示重达，不可用于被动。相当于which weighs