With everything important my father is now lying on the beach enjoying the bright sunsh

问题补充：

With everything important , my father is now lying on the beach, enjoying the bright sunshine and fresh air.

A. to complete

B. completing

C. completed

D. being completed

答案：

A. to complete

B. completing

(答案→)C. completed

D. being completed

解析：句意：由于一切重要的工作已经做完，我的父亲现在躺在沙滩上享受着明媚的阳光和呼吸着新鲜的空气。这里是with的复合结构，everything与complete之间是被动关系，根据句意可知工作已经做完，所以用过去分词。故选C。