Question

—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

Answer 1

C

考查时态和语态。根据语境判断，此处表示“新机器正在被检测”，因此此处用现在进行时的被动语态。