— It sounds like something is wrong with the car’s engine.
— , we’d better have it repaired immediately.
A. Where possible
B. If not
C. But for that
D. If so
网友回答
A. Where possible
B. If not
C. But for that
(答案→)D. If so
解析：省略句辨析。A在可能的地方；B如果不；C要不是…；D如果这样；句意：—听起来好像汽车的发动机出了问题。—如果这样，我们最好还是立刻修理一下。根据句意说明D正确。