单选题
My friend was very unhappy for not ______ to the party.
A、
inviting
B、
to be invited
C、
having been invited
D、
having invited
【正确答案】
C
【答案解析】
[解析] 本题考查被动语态的用法。主语“my friend”与“invite”是一种被动关系，故要用被动语态。介词“for”应接动名词形式。故选C。
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