问题
选择题
He made a mistake, but then he corrected the situation _______ it got worse.
A．until
B．when
C．before
D．as
答案
C
句意：他犯了一个错误，但没等形势恶化就扭转了局面。
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He made a mistake, but then he corrected the situation _______ it got worse.
A．until
B．when
C．before
D．as
C
句意：他犯了一个错误，但没等形势恶化就扭转了局面。