--- I had a hard time _____ this novel.

--- I share your feeling. Who can remember the names of over 100 different characters?   

A．getting through

B．taking over

C．giving off

D．putting down

海上风电项目建设用海应遵循（）的原则，合理布局。

A.杜绝浪费

B.效率最大

C.效益最大

D.节约和集约利用海域资源