癃闭的病位虽在膀胱，但与本病关系密切的脏腑还有

A．肺、脾、肾、三焦
B．肺、肾、胃、三焦
C．肝、脾、肾、小肠
D．肺、脾、胃、三焦
E．肺、脾、肝、小肠

Scientists have many theories about how the universe _____ into being. [ ]

A. came

B. was coming

C. had come

D. would come