——What’s that noise?——Oh I forgot to tell you. The new machine .A. was testedB. will be t

问题补充：

——What’s that noise?

——Oh, I forgot to tell you. The new machine .

A. was tested

B. will be tested

C. is being tested

D. has been tested

答案：

A. was tested

B. will be tested

(答案→)C. is being tested

D. has been tested

解析：本题考查的是动词的语态。根据该句空格前面的主语The new machine可以判知，空格处应该使用被动语态。然后根据上文可以判知，该机器的检测应该是正在进行中，所以本题应该使用现在进行时的被动语态，故选C。