问题
选择题
______ it is very late, ______ my mother is still at work. [ ]
A. Although; but
B. Although; and
C. Although; /
D. Although; or
答案
答案：C
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______ it is very late, ______ my mother is still at work. [ ]
A. Although; but
B. Although; and
C. Although; /
D. Although; or
答案：C