The teacher told the kids that light _______

试题详情及答案解析

The teacher told the kids that light ________ faster than sound.

A．traveled	B．had traveled
C．is traveling	D．travels

答案：D

试题分析：考查时态。句意：老师告诉我们光传播比声音快。结合语境可知从句叙述的是一个客观存在的事实，故用一般现在时态，选D。
考点 : 考查时态