在有关水净化的探究活动中，小新将浑浊的湖水样倒入烧杯中，先加入明矾粉末搅拌溶解，静置一段时间后，下一步小新应进行的的操作步骤是[ ]

A、溶解

B、过滤

C、蒸发

D、吸附

— Oh, your skirt is very beautiful. Where did you buy it? 

— _____. I bought it in the shopping center. [ ]

A. Thank you.

B. Not at all.

C. Just so-so.

D. My pleasure.