两只各装有1kg水的烧杯,一只溶有0.01mol蔗糖,另一只溶有0.01molNaCl,按同样速度降温冷却,则: (    )

A.
溶有蔗糖的杯子先结冰


B.
两杯同时结冰

C.
溶有NaCl的杯子先结冰

D.
视外压而定
出自:物理化学1