单选题 Your examination results were quite satisfactory, but ______ if you had spent less time in playing football?

【正确答案】 A

【答案解析】[解析] 句意：你的考试成绩很令人满意，但是如果你少花点时间踢足球，难道成绩不会更好些吗?本题考查虚拟语气。虚拟部分与过去事实相反，应用过去完成时态：would have done。A项wouldn"t they have been better符合题意。故选择A项。