One of the main themes of the summit was “sustainable development ,or the questi

One of the main themes of the summit was “sustainable development”,or the question _________ we can continue developing the world without damaging the environment.?

A.what           B.how            C.why            D.that ?

试题答案

B?

解析:

本题考查的是同位语的表达。we can continue developing the world without damaging the environment.是作同位语来修饰the question的。