【题目】 –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
在线课程【答案】C
【解析】
试题分析：考查动词的时态和语态。主语the new machine和谓语test是被动的关系，故用被动语态。从上文可判断出该动作一直在进行中，所以本题应该使用进行时的被动语态 ，故选C项。
考点 : 考查动词的时态和语态