Play being recognized as an important factor improving mental and phys-考呗网

单选题Play being recognized as an important factor improving mental and physical health and thereby reducing human misery and poverty.

[分析]结构应用
本句意为：人们认为游戏是改善人的身体健康和精神健康的重要因素，因此可减轻人们的痛苦和贫困。根据结构判断，原句缺少主、谓语，而四个选项中只有D可起此作用，因此D为答案。

1Using it wisely, leisure promotes health, efficiency and happiness.

2She was told to give the award to whom she ever thought had contributed most to the welfare of the student body.

3The catalogue may be had for asking.