--- Steve is good at writing stories.

--- So he is. But he writes ____ than us. So he can get good grades in writing.

A．careful

B．more careful

C．carefully

D．more carefully

1949年9月第一届中国人民政治协商会议召开的主要任务是[ ]

A．讨论夺取全国革命的胜利

B．贯彻党的七届二中全会的精神

C．为新中国的成立作准备

D．实行工作重点转移