The writer has published many books, ______are well received by the readers.
【正确答案】 B
【答案解析】解析：本题考查非限定性定语从句的用法。因为关系代词修饰的是指物的名词，因此用which；根据本句的句意，要选肯定句，而且先行词是复数，所以选B。