问题补充:
The customers objected unfairly in the course of shopping.
A. to be treated
B. their being treated
C. to being treated
D. having been treated
答案:
A. to be treated
B. their being treated
(答案→)C. to being treated
D. having been treated
解析:考察object的用法,object to doing sth意为反对……,
句意为,顾客反对在购物的过程中被不公平对待 。