Question

Between the two generations, it is often not their age, _________ their education that causes misunderstanding.

A．like

B．as

C．or

D．but

Answer 1

D

not...but...意為“不是……而是……”。it is...that...構成強調句,對“their age,but their education”進行強調,表示“不是他們的年齡而是他們的教育引起誤解”。like 意為“像……那樣,和……一樣”；as 意為“作為,當……的時候”；or 意為“或,或者,還是,抑或是”。