No conclusion _______ about whether to tear down the old buildings for a theme park until

several discussions have been held. [ ]

A. will be reached    

B. is reached    

C. is being reached    

D. has been reached

下列关于二氧化碳的自述中，你认为不符合事实的是（　　）

A．我是灭火英雄

B．绿色植物的光合作用离不开我

C．全球气候变暖与我无关

D．固体的我是人工降雨的功臣