She looked unhappy because she had made mistakes in the English test.
A. two scores
B. scores of
C. two scores of
D. score of
网友回答
A. two scores
(答案→)B. scores of
C. two scores of
D. score of
解析：score 二十，前面有数词修饰时后面不能加s，如：two score 四十，短语：scores of 数十个，句意：她看起来不高兴因为她在英语测试中犯了许多错误。所以选B。