请列举上节课讲到哪些选品方法。

A. 产品重量不宜太重
B. 产品应该不易碎，不易变质
C. 产品类别里不要有巨头品牌
D. 同类产品销售排名不能太低

A. 产品是否属于生命周期的上升期
B. 产品是否便于运输
C. 产品是否具有利润空间
D. 产品是否和同类产品有差异化

A. Oh, you look like you put on a few pounds.
B. You are less fatter now.
C. You look great. Very healthy looking.
D. How much is your weight?