题目

In some Western countries, many children do chores to get pocket money(零花钱). They usually start to do this when they are ten years old.School students have to do homework and study for tests. They don’t have much free time on weekdays. They often do chores on weekends.Young kids only do easy chores. So they don’t get much money. But that’s enough. Many of them only want to buy candy. And candy is cheap! They often help do the dishes, sweep the floor, or feed the pet cat or dog.When they get older, they want to buy more and more things. They want things that are more expensive than  —Did you call on any of your old friends when you returned to your hometown?      —_______ of them. They were all very busy.      A. Nobody    B. None    C. Both     D. Neither