Three quarters of the forest ________ burnt to ashes, and the rest _______ cut down for construction.  [ ]

A. was, have been  

B. was, has been     

C. have been, is    

D. has been, are

下列长江干支流与其主要水电站，搭配错误的一组是[ ]

A．长江干流-- 葛洲坝

B．雅砻江-- 二滩

C．湘江-- 五强溪

D．汉江-- 丹江口