治疗风湿性心脏炎，最合理的选药是

A．水杨酸制剂

B．糖皮质激素

C．青霉素加水杨酸制剂

D．青霉素加糖皮质激素

E．糖皮质激素加水杨酸制剂

George is going to talk about the geography of his country, but I'd rather he _____ more on its culture. [ ]

A. focus

B. focused

C. would focus

D. had focused