Many students are not the harm of staying up late into the night which causes damage to

问题补充：

Many students are not the harm of staying up late into the night, which causes damage to their health.

A. well aware to

B. very aware of

C. aware that

D. well aware of

答案：

A. well aware to

B. very aware of

C. aware that

(答案→)D. well aware of

解析：可联系答.案.网客服索取。