请教一道题

zhengaonk

Drinking water______excessive amounts of fluorides may leave a stained or mottled effect on the enamel of teeth.

A) containing

D) that contain

请教：D错误的原因     因为拿不准，请大家执教

Sleepingsheep

water是不可数名词，如果是that的话应该是that contains

这是我的观点。

水滴石穿

同意.