It is an abundance of cheap goods and quick delivery service ______ account for the fact that the number of Internet shopping on this website is four times ______ it was last year.

A．that; that

B．which; what

C．what; that

D．that; what

欧元是欧盟中16个国家的货币、这16个国家是：奥地利、比利时、（）、希腊、爱尔兰、意大利、卢森堡、荷兰、葡萄牙、斯洛文尼亚，西班牙，马耳他，塞浦路斯和斯洛伐克，他们合称为欧元区。

A.芬兰、法国、德国

B.英国、法国、德国

C.芬兰、瑞典、德国

D.丹麦、法国、德国