It sounds like something is wrong with the car’s engine. ，we’d better take it to the garage immediately. (2011·江苏，33)
A. Otherwise
B. If not
C. But for that
D. If so
网友回答
A. Otherwise
B. If not
C. But for that
(答案→)D. If so
解析：D
解析 句意为：听起来好像汽车的发动机出了故障。如果这样的话，我们最好马上把它开到维修厂(修理一下)。otherwise否则，要不然；if not如果不是这样的话；but for that要不是那样。以上三项均不符合句意。if so如果这样的话，符合句意。if so相当于if something is wrong with the car’s engine。