The look on her face suggested that she _____ it before _____.

 [ ]

A. amazing, wouldn't know

B. amazed, hadn't known

C. amazing , hadn't known

D. amazed, shouldn't know

我国濒临黄海的重要远洋港口是[ ]

A．青岛    

B．连云港  

C．上海    

D．天津