问题
选择题
—How about going swimming?
—I'd like that, _____ I'm afraid I have no time.[ ]
A. and
B. or
C. but
D. so
答案
答案：C
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—How about going swimming?
—I'd like that, _____ I'm afraid I have no time.[ ]
A. and
B. or
C. but
D. so
答案：C
，则|B|=( )．