Public attention at the moment is foused _____-the problem of environment balance.

题目

Public attention at the moment is foused _____-the problem of environment balance.
A into Btowards Cabout D on 选什么,为什么,谢谢你

答案

应选D,但是你打错了,应该是focus(原形),focus on是词组,意思是使……成为众人关注的焦点.这里用的是被动式,即focused on.这句话的意思是“此时的公众焦点放在了环境（生态）平衡问题上.