－Have you finished _______ your composition? It is time to hand it in.

－Not yet, I _______ it the whole morning, but it is so hard that I only finished half of it.

A．writing; had written

B．write; wrote

C．written; was written

D．writing; have been writing

以下应由新闻出版总署审批的变更事项是（）。

A.将某出版社分拆成两个出版社

B.出版社更换社长

C.报刊社扩充业务范围

D.报刊社变更广告代理单位

E.报刊变更期刊