问题
                    
.Man’s shopping can be and often is completed in five minutes,which is less than a quanrter ________。
                            A:that of a woman
B:of that of a woman
C:of a woman’s
D:that of a woman’s
                        
                        B:of that of a woman
C:of a woman’s
D:that of a woman’s
正确答案是: