—We didn’t find the Blacks the lecture.
—No one had told them about a lecture the following day.
A. attending；there being
B. to attend；there to be
C. attended；there be
D. attend；there was
网友回答
(答案→)A. attending；there being
B. to attend；there to be
C. attended；there be
D. attend；there was
解析：
第一空attending作宾补，补充说明the Blacks的动作；第二空there being为动名词短语作介词about的宾语。