选择:The teacher told us that the moon__ around the earth.A travels B travelled C travelling D will trave

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选择:The teacher told us that the moon__ around the earth.
A travels B travelled C travelling D will trave

选A
想天体运行之类的客观事实必须用一般现在时

A
表示客观真理时只用一般现在时,不与前面主句的事态配合