下面什么是ID的样式规则定义？

A.TR{clore:red;font-family:”隶书”;font-size:24px;}

B.H2{color:red;font-family:”隶书”;}

C.#grass{color:green;font-family:”隶书”;font-size:24px;}

D.P{background-color:#CCFF33;text-align:left;}

正确答案：C