________we develop our economy shouldn't be at the cost of destroying our environment.
A.That B.What
C.Which D.How
________we develop our economy shouldn't be at the cost of destroying our environment.
A.That B.What
C.Which D.How
A 句意为“发展经济不应以破坏环境为代价”。that在此引导主语从句,在从句中不作任何成分,只起引导作用,但不可以省略。