He worked hard at his study. _________, he passed the exam easily.

He worked hard at his study. _________, he passed the exam easily.

A. In fact B. For example C. At first D. As a result

【答案】

D

【解析】

句意：他努力学习。结果，他容易地通过了考试。考查介词短语。A. In fact事实上；B. For example例如；C. At first首先；D. As a result结果。由上文He worked hard at his study. 他学习很努力，以及下文he passed the exam easily. 他容易地通过了考试，可知“他学习努力的结果是他容易地通过了考试”，所以横线处应填“结果”，结合选项，可知D选项符合题意，故答案选D。