–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
网友回答
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。