The nervous look on his face suggested that he_when he has asked about the case.A must lieB is lyingC should lieD was lying

问题描述:

The nervous look on his face suggested that he_when he has asked about the case.
A must lie
B is lying
C should lie
D was lying

D;当他问及案子的时候,紧张的面部表情证明他在说谎。

选d,意思:他脸上紧张的表情表明他在被问到这个事情时说谎了.
这里suggest 是表明而不是建议的意思,所以不用虚拟语气(should +v原形)