I ________ a book on fashion at this moment，and it ________ in the book that Europeans started to

wear top hats in the early 1800s.[ ]

A．read；is said  

B．am reading；is saying

C．was reading；was saying  

D．am reading；says

16世纪，欧洲“商业革命”不包括（ ）

A．世界各地区、各民族扩大经济往来

B．商业资本控制了手工生产

C．世界各地商品在欧洲市场上出现

D．欧洲同亚非之间的贸易扩大