Beer is the most popular drink among male drinkers,( ) overall consumption is significantly higher than that of women.
考查非限制性定语从句。 that 不能引导非限制性定语从句,排除 A 项; what 一般用于引导主语从句,排除 B 项; which 在此处缺少介词,排除 C项。 whose 具有形容词性,表示 “…… 的 ” 意思。在句中作定语,表示先行词 male drinkers 与从句中 overall consumption 的所属关系,故选 D 。