下列关于小肠的描述正确的是（）

A.又称为系膜小肠

B.分为空肠和回肠

C.空肠管径较粗

D.两者之间界限明显

E.回肠肠壁内有集合淋巴滤泡

This morning I went to school in        a hurry         I left my notebook at home.

A．enough; to

B．too; to

C．so; that

D．such; that