美托洛尔（）。

A.拟肾上腺素能药

B.磷酸二酯酶抑制剂

C.β受体阻滞药

D.α受体阻滞药

E.血管紧张素转换酶抑制剂

Hundreds of thousands of soccer fans are likely to get their first taste of live 3D viewing during this year's World Cup, the vast majority of them in cinemas   at home, according to football body FIFA.

A. more than                B. rather than                C. other than                        D. less than