by the growing interest in nature more and more people enjoy outdoor sports.A. Influenced

问题补充：

by the growing interest in nature，more and more people enjoy outdoor sports.

A. Influenced

B. Influencing

C. Having influenced

D. To be influenced

答案：

A. Influenced

B. Influencing

C. Having influenced

D. To be influenced

解析：考查分词做状语用法。Influence与主语more and more people构成被动关系，故使用过去分词，排除BC。句意：被大自然的美景所影响，越来越多的人享受户外的运动。