He appreciated ______ the chance to deliver his thesis in the annual symposium on Comparative Literature.
A、
having given
B、
to have been given
C、
to have given
D、
having been given
【正确答案】
D
【答案解析】
appreciate后面必须接名词或动名词，He与give逻辑上的存在被动关系，故选D项havingbeen given。
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