问题
选择题
.________that we should look after the three dogs three times, my mother left home.
A．Mentioning
B．Having been mentioned
C．Having mentioned
D．Mentioned
答案
答案：C
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.________that we should look after the three dogs three times, my mother left home.
A．Mentioning
B．Having been mentioned
C．Having mentioned
D．Mentioned
答案：C