问题
选择题
He didn't believe the explanation of the detective and determined to get to the ________ of the case
on his own. [ ]
A. occasion
B. discovery
C. root
D. condition
答案
答案：C
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He didn't believe the explanation of the detective and determined to get to the ________ of the case
on his own. [ ]
A. occasion
B. discovery
C. root
D. condition
答案：C