【题目】Robert is said ________ abroad, but I don’t know what country he studied in.
A. to have studied B. to study
C. to be studying D. to have been studying
在线课程【答案】A
【解析】
试题分析：考查现在完成时。这个题的关键是句末的动词studied，是过去式，说明Robert已经不在国外学习了，已经完成了该动作，符合完成时态的定义。故选A。