阅读短文，根据短文内容，从短文后的A、B、C、D、E五个选项中选出能填入空白处的最佳选项。每个选项只能用一次。

Running is becoming popular these days. Doctors say many of the health problems come from these bad habits: eating too much, drinking too much, smoking, Doctors tell us, "Eat and drink less, don't smoke, and exercise more."

Running is a good way of exercise because It also helps most people lose weight.

Many runners say running keeps colds and other small health problems away.

So today men and women of all ages like running.

A. Running is good for health in other ways, too. B. and not taking enough exercise. C. Running can also help people lo relax. D. Many of us run for our health. E. it helps build a strong heart.