问题
选择题
It was for that reason, I suppose, ____ the book took a long time to come out.[ ]
A. why
B. so
C. that
D. because
答案
答案：C
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It was for that reason, I suppose, ____ the book took a long time to come out.[ ]
A. why
B. so
C. that
D. because
答案：C