Several months later he found his deskmate very difficult .A. to get along withB. getting

问题补充：

Several months later, he found his deskmate very difficult .

A. to get along with

B. getting along with

C. to get along

D. to be gotten along with

答案：

A. to get along with

B. getting along with

C. to get along

(答案→)D. to be gotten along with

解析：考查固定句型：sb/sth is +adj+to do某人/某物做…是怎样的，如果不定式是不及物动词的话，要加相应的介词。句意：几个月后，他发现同桌很难相处。选D。