But rock concerts are exciting .Opera seems slow and＿＿.
问题描述：
But rock concerts are exciting .Opera seems slow and＿＿.
A.anything boring B.anything bored C.there is anything boring D.there is anything bored
请说明WHY 3Q
答
A哇,
形容事物应该用Boring.
所以可以排除BD.
anything 一般用于否定,
要用也是anything there is boring.