- What’s that terrible noise．David? - Oh.I forgot to tell you．The new machines i

— What’s that terrible noise．David?

— Oh，I forgot to tell you．The new machines in the nearby plant　 ．

A．were tested　 B．will be tested　 　 C．are being tested D．have been tested

试题答案

C

考查动词的时态和语态。根据问句中的What’s that terrible noise可知，这里应该用进行时态，即噪音是机器正在被检测时发出的。