I shall never forget those years ______ I worked in the factory with the workers,

______ has a great effect on my life.

A．when, that

B．which, which

C．in which, when

D．in which, which

腮腺分泌功能定性检查时，如导管口唾液流出量少，同时腺体迅速肿大、胀痛，下列哪种说法正确（）

A.分泌功能正常，导管无阻塞

B.分泌功能存在，但有导管阻塞

C.分泌功能可能已经丧失

D.腮腺萎缩

E.腮腺良性肥大