题目内容：
What does Paula Courtney imply t,y sayin9“…the shopper must also find a replacement”f 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 kind of service．
D．Not complaining to the manager causes the shopper some trouble too．
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答案解析：