下列关于胶体和溶液的说法中，正确的是（　　）

A．胶体不均一、不稳定，静置后易产生沉淀；溶液均一、稳定，静置后不产生沉淀

B．布朗运动是胶体粒子特有的运动方式，可以据此把胶体与溶液、悬浊液区分

C．光线通过时，胶体产生丁达尔效应，溶液则无丁达尔效应

D．只有胶状的物质如胶水、果冻类的才能称为胶体

The recent conference on the effective use of the seas and oceans was another attempt resolving major differences among countries with conflicting interests.

A. resolve


B. resolves
C. to resolve


D. being resolved