关于亚洲与北美地理特点的叙述，不正确的是（　　）

A．亚洲地势中间高，四周低

B．北美洲地势中间低，东西两侧高

C．亚洲地势是自西向东呈三级阶梯分布

D．北美洲格陵兰岛冰川广布

_____________, she is of great help in the work.

A．A girl as she is

B．Girl as she is

C．The girl as she is

D．Girls as she is