—The country has already sent up an unmanned spacecraft to the moon.
—Yes. Chang’e I       to the moon last October.
A．has been sentB．has sent C．was sentD．sent
C
考查被動語態(tài)�！埃ㄔ蹅儯﹪乙呀�(jīng)發(fā)射了一顆月球人造衛(wèi)星。”“是的。嫦娥一號是去年10月被發(fā)射的。”Chang’e I與send之間是被動關(guān)系，故用被動語態(tài)，排除C、D；根據(jù)last October可知，用一般過去時。故選C。
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