–Are you satisfied with the result of the exam? –Not at all. I can’t have .A. a worse oneB

问题补充：

–Are you satisfied with the result of the exam? –Not at all. I can’t have .

A. a worse one

B. a better one

C. the worse one

D. the best one

答案：

(答案→)A. a worse one

B. a better one

C. the worse one

D. the best one

解析：考查形容词最高级的用法。根据句意应该是最糟糕的一次，而表示数量一则用a。