Tom is going to talk about the World Expo in Shanghai but I’d rather he on the World Cup

问题补充：

Tom is going to talk about the World Expo in Shanghai, but I’d rather he on the World Cup.

A focus

B focused

C had focused

D would focus

答案：

解析：考查虚拟语气。would rather 后跟从句用虚拟语气，用过去式表示的现在或将来，句意：汤姆打算谈论在上海世博会的情况，但是我宁愿他集中谈论世界杯的情况。所以选B。