问题补充:
Tom was at a loss as to how a car worked, so it was that he knew nothing about how to repair cars.
A. apparent
B. absurd
C. confused
D. complicated
答案:
(答案→)A. apparent
B. absurd
C. confused
D. complicated
解析:句意:汤姆对于车如何发动起来他不知所措,所以很明显他对于如何修车一无所知。apparent显然的; absurd 荒缪的; confused 困惑的; complicated复杂的。根据句意故选A。