We agreeed ___ here but so far she hasn't turned up yet.

A．having met

B．meeting

C．to meet

D．to have met

关于大脑的叙述，错误的是

A．每侧半球有4个脑沟
B．左、右大脑半球间有大脑纵裂
C．覆盖在间脑、中脑和小脑的上面
D．大脑半球分为额、顶、枕、颞四叶
E．大脑半球表面脑沟间隆起部分称脑回