单项选择题

Personality is to a large extent inherent. A-type parents usually bring about A-type offspring. But the environment must also have a profound effect, since if competition is important to the parents, it is likely to become a major factor in the lives of their children.
One place where children soak up A-characteristics is school, which is, by its very nature, a lightly competitive institution to adopt the "win at all costs" moral standard and measure their success by sporting achievements. The current passion for making children compete against their classmates or against the clock produces a two-layer system, in which competitive A-types seem in some way better than their B-type fellows. Being too keen to win can have dangerous consequences: remember that Pheidippides, the first marathon runner, dropped dead seconds after stay.
By far the worst form of competition in schools is the disproportionate examinations. It is a rare school that allows pupils to concentrate on those merits of competition by examination which are somewhat questionable, but compelling edge of failure is positively harmful.
Obviously, it is neither practical nor desirable that all A youngsters cheers types, and schools have an important duty to try to fit a child’s employment. It is top management.
If the preoccupation of schools with academic work was lessened, perhaps selection for the caring professions, especially made less by good grades in chemistry and more by such considerations is surely a mistake that to choose our doctors exclusively from A type stock, B’s encouraged.

The best title for this passage is （）

点击查看答案&解析