What difficulty I had _____ the dirty walls! I had no choice but to have it ____ again.
A. clean, paintB. cleaning, painting
C. cleaned, to paintD. cleaning, painted
答案：
D
【解析】
试题分析：句意：清理这些脏墙壁多难啊！我别无选择只能再次粉刷。Have difficulty doing sth,做某事有困难；have sth,done使某物被……;宾语和宾补之间是被动关系，结合题意选D。
考点：考查非谓语动词。