A．Because servants in America are hard to get.
B．Because she can hardly afford a servant.
C．Because she takes pride in what she can do herself.
D．Because it is easy to prepare a meal with canned food.
A．Salaries are quite low in middle-class families.
B．Manual labor is highly respected in the US.
C．Exercise is very important for mental labor.
D．People have various hobbies in the US.