Our math teacher ______ in our school for 20 years and he _____ here when he was 23 years old.

A．has taught, has come

B．taught, comes

C．taught, came

D．has taught, came

舒茨的人际关系的三维理论认为人有三种基本的人际需要，不包括（）

A.包容的需要

B.支配的需要

C.情感的需要

D.宣泄的需要