The contacts between China and some European countries for several decades ________ each other's existence．
A.led to the awareness of
B.knew a great deal in
C.is available in
D.is equipped with
网友回答
A解析考查谓语的搭配．句意是：中国与一些欧洲国家几十年的接触导致了相互之间意识到对方的存在．led to the awareness of与此意义相符．