She is working hard all day long which will surelyher success in the College Entrance Exa

问题补充：

She is working hard all day long, which will surelyher success in the College Entrance Examination next June.

A. result from

B. contribute to

C. benefit from

D. stick to

答案：

A. result from

(答案→)B. contribute to

C. benefit from

D. stick to

解析：句意：她整天都在努力工作，这当然导致她在明年六月的高考中取得成功。导致“contribute to”，result from“源于”，benefit from“从…中受益”，stick to“坚持”，所以选B。