—Would you like to tell me what our teacher said just now?—She said that lightfaster than

问题补充：

—Would you like to tell me what our teacher said just now?

—She said that lightfaster than sound.

A. travels

B. traveled

C. would travel

D. was traveling

答案：

(答案→)A. travels

B. traveled

C. would travel

D. was traveling

解析：表示客观真理常用一般现在时。