Last week I bought an interesting story book is very beautiful.A. which coverB. the cov

问题补充：

Last week, I bought an interesting story book, is very beautiful.

A. which cover

B. the cover of which

C. its cover

D. the cover of whose

答案：

A. which cover

(答案→)B. the cover of which

C. its cover

D. the cover of whose

解析：考查定语从句。句中先行词为story book ，the cover of which = whose cover。句意：上个周，我买了一本有趣的故事书，它的封面非常漂亮。