A security market with price continuity is most accurately characterized as a market in which:（）

A. assets can be bought or sold quickly.

B. an asset’s price reflects all available information about the asset.

C. prices do not change much from one transaction to the next in the absence of new information.

原核动物与细菌的区别是（）。

A.原核动物有细胞膜，细菌没有

B.原核动物有细胞质，细菌没有

C.原核动物有核糖体，细菌没有

D.原核动物有细胞核，细菌没有