He claimed in the supermarket when he was doing shopping yesterday.
A. being badly treated
B. treating badly
C. to be treated badly
D. to have been badly treated
网友回答
A. being badly treated
B. treating badly
C. to be treated badly
(答案→)D. to have been badly treated
解析：claim后跟不定式，且由句意知应是被动和完成式。