问题详情

What does Paula Courtney imply by saying “ … the shopper must also find a replacement” (Line 2, Para. 4)？
A New customers are bound to replace old ones.
B It is not likely the shopper can find the same products in other stores.
C Most stores provide the same
D Not complaining to the manager causes the shopper some trouble too.请帮忙给出正确答案和分析，谢谢！