— Nowadays people seem to be becoming more and more selfish.— How much better life would b

问题补充：

— Nowadays people seem to be becoming more and more selfish.

— How much better life would be if we to the values of the past!

A. would return

B. had returned

C. return

D. were to return

答案：

A. would return

B. had returned

C. return

(答案→)D. were to return

解析：考查虚拟语气。本句是条件句中的虚拟语气。根据句意可知是对将来发生的事情的虚拟，条件句中使用“were to do sth””should+动词原形”或者过去时；主句使用“情态动词+动词原形”；句意：—现在的人们似乎越来越自私了.—要是我们回到以前的世界观，生活可能就会好多了!故D正确。