It"s said that this kind of books ___. A . has been sold out B. is sold well

It"s said that this kind of books ___. A . has been sold out B. is sold well

选A 啊
已经被卖完了
有个已经的含义，要用完成时态

这题答案是A，前面有个said 后面不会用一般现在时态

A . has been sold out
据说这种书全卖光了
B错在is，应该是sells well，这种书很畅销

A.这本书已经脱销，B卖得很好。结合语境嘛，应该是告示上写着已经脱销，谁也不会没事写着卖得很好。
有些词是“主动表示被动的”
像：Her new book sells very well .她的书很畅销。
The coat feels soft.这衣服穿起来软绵绵的
Ice-cream goes well in summer。夏天 冰淇淋卖的很好。
以下是《朗文当代英语辞典》中二者区别：
be / have sell out:
1. if a shop sells out of sth, it has no more of that particular things left to sell （如果一家商店的货物脱销了 没有专门留下的来卖 就用 be sold out。强调“本家店”没有了，其他店或许还会有。 用be sold out）
e.g. Sorry, we're sold out.
2. if a product, tickets, places at a concert sell out, they are all sold and there are none left （如果一个产品，音乐会的票，卖光了，全部卖光，“片甲不留”。强调已经没有机会得到此物了，用sth have sold out）
e.g. Wow! Those scarves sold out fast!
be sold out
e.g. Tonight's performance is completely sold out