Li Ming studies hard he can pass the exams.A. becauseB. as soon asC. so thatD. when

问题补充：

Li Ming studies hard he can pass the exams.

A. because

B. as soon as

C. so that

D. when

答案：

A. because

B. as soon as

(答案→)C. so that

D. when

解析：句意:李明努力学习，这样他才能通过考试。because 因为，引导原因状语从句；as soon as 一……就……引导时间状语从句；so that 以至于，引导结果状语从句；when 当……时候，引导时间状语从句。根据句意可知选C。