有关突触传递特征的描述，错误的是（）。

A．单向传递

B．突触延搁

C．总和

D．不易疲劳

E．发放

My family always have a party ______ the evening of October 1, and the party starts ______ 8. 00 p. m. [ ]

A. at; in

B. in; on

C. at; on

D. on; at