问题
选择题
He _____ and hurt himself while he went upstairs. [ ]
A. kept his balance
B. out of balance
C. lost his balance
D. held the balance
答案
答案：C
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He _____ and hurt himself while he went upstairs. [ ]
A. kept his balance
B. out of balance
C. lost his balance
D. held the balance
答案：C