To my understanding, a high school graduate has already reached a point in his/her life ______ he/she is supposed to make decisions of his/her own.

A．which

B．where

C．how

D．why

下列关于上海的说话错误的是（）

A、理性使上海公共事务井然有序

B、“实用理性”

C、精于算计

D、更重形式