—Tom is so worried about the test that he said he was going to study all night. —Tell him

问题补充：

—Tom is so worried about the test that he said he was going to study all night.

—Tell him he should quit and get some help.

A. to have worried

B. to worry

C. worrying

D. from worrying

答案：

A. to have worried

B. to worry

(答案→)C. worrying

D. from worrying

解析：考查动名词做宾语：quit doing放弃做…，句意：--汤姆很担心考试，以至于他说要整晚学习。--告诉他不要担心，寻求一些帮助。选C。