Our teacher told us light much faster than sound . A. travelsB. traveledC. had traveledD.

问题补充：

Our teacher told us light much faster than sound .

A. travels

B. traveled

C. had traveled

D. will travel

答案：

(答案→)A. travels

B. traveled

C. had traveled

D. will travel

解析：本题考查的宾语从句，当主句为过去时，从句用从句的一般过去时，故选答案为A