—Summer vacation is approaching. Have you decided how to spend it?

—Well, I consider ______ an English training centre to improve my spoken English.

A．to attend

B．attending

C．to be attending

D．attend

肾病综合征并发感染时最多见的是

A．上呼吸道感染

B．腹膜炎

C．尿路感染

D．皮肤丹毒

E．胃肠炎