As we know doing exercise is good for our health and even walking after having meals .A.

问题补充：

As we know, doing exercise is good for our health, and even walking after having meals .

A. skips

B. runs

C. means

D. counts

答案：

A. skips

B. runs

C. means

(答案→)D. counts

解析：动词辨析。A跳过；B经营，管理；C意味着；D重要，有关系；句意：众所周知，锻炼对我们的健康是有好处的，甚至饭后散步也很重要。根据句意说明D正确。