–What’s that noise?–Oh I forgot to tell you. The new machine .A. was testedB. will be tes

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：本题考查动词现在进行时被动语态。根据题意，“机器在维修，所以出现噪音”，由此可以判定选项C是正确答案。