左冠状动脉前降支闭塞可引起以下哪些部位梗死（）

A.左心室前壁

B.心尖部

C.前间隔

D.二尖瓣前 * * 肌

E.以上均不能

All the skirts _____ .  They _____ very well.        [ ]

A. sold out, are sold                    

B. sell out, have sold

C. have been sold out, sell          

D. have sold out, sell