阅读下面的短文，从短文后所给的[A]、[B]、[C]三个选项中选出一个能填入空白处的最佳选项。 Both of the Chinese (41) and the American ones are smaller than they used to be. Most young Chinese (42) have only one child while young Americans also prefer to have fewer (43) than their parents. Many young American people think (44) is not easy to get along (45) their parents. They will (46) their parents and have their (47) home once they get married. But it is still very common (48) today’s China to see married sons or (49) living with their parents. However, China no longer has the so-called four or five generations living under the same (50) .

A. leave for
B. leave
C. stay