关于大容量X线管组件的散热方法，错误的是

A．密封管套，自然散热

B．密封管套，风扇散热

C．密封管套，氟利昂散热

D．闭路油循环风冷散热

E．套管内冷水循环散热

— Would you like to have ______ cake?

— No, thanks. I've had two. That's enough. [ ]

A. other

B. others

C. another

D. the other