During the scientific experiment, Mr. Chen carefully poured the water into the tube, with my classmates ____ beside to see what would happen.

A．were standing

B．stood

C．standing

D．to stand

证券投资基金业的发展特点是( )。

A．基金规模迅速增长

B．开放式基金后来居上

C．基金的投资风格趋于多样化

D．中国基金业发展迅速