问题
单项选择题
A man's shopping can be and often is completed in five minutes, which is only less than a quarter______
A．of a woman's
B．that of a woman's
C．of that of a woman
D．of a woman
答案
参考答案：B
解析：that of a woman's相当于：...(1ess than a quarter)the time of a woman's shopping time。