4.Features such as height, weight, and skin color________from individual to individual and from face to face.
A.change
B.varyC.alter
D.convert
【解析】句意为：身高体重肤色等特征因人而异。vary from...to...“由……到……变化不定”；change“改变”； alter指微小的变化，不影响改动；convert“把……变成……，兑换，使改变信仰”。
【答案】B
