问题
单项选择题
—How about your trip to Hainan
— It couldn't have been ______. Sometimes I went swimming in the sea; sometimes I lay on the sand.
A. so well
B. as bad
C. better
D. worse
答案
参考答案：C
解析： 根据前后文句意可推知去海南的旅行非常愉快，此处是比较级的否定式表达最高级的含义，意思是“不能再好了”。故选C。