问题详情

Thewriteraskedaboutthepriceofaglassbutter-dishinChangeAlleybecausehewantedto＿＿＿．
[A]buyitatalowerprice
[B]changehisdishforsomethingelse
[C]findoutiftheshopassistantispolite
[D]comparethepricesofthedishintwostores请帮忙给出正确答案和分析，谢谢！