全身化脓性感染出现转移性脓肿的是（）

A.败血症

B.菌血症

C.毒血症

D.脓血症

E.以上都不是

It was just at the time     the bell rang       he finished the last word in his composition.

A．when; which

B．that; when

C．when; that

D．that; which