详解.不愿意的不勉强My blouse is biue .What about ()?（）is yellowA.you;

此题考查：名词性物主代词,具体如下：
mine =my +n.
同理,his ,hers ,theirs ,yours ,ours 都可以这么理解.如：
My blouse is blue = Mine is blue .mine 替代掉my blouse
His jacket is good--looking .= His is good--looking.
Our house is large and comfortable to live in =Ours is large and comfortable to live in .
补充：名词性物主代词具有名词的属性,可以在句中作主语,表语.

选B。名词性物主代词
what about yours? Mine is yellow

选a
句子的意思是我的宽罩衫是蓝色的 你的呢 what about yours yours你的 我的是黄色的 mine is yellow mine 我的