点津：

dismiss — end the employment or service of; allow to leave:

be dismissed from school (service / class)

discharge — release, as from confinement, care, or duty:

discharge a patient; discharge a soldier; be discharged from hospital (military service / from prison / office)

expel — force to leave; deprive of membership:

be expelled from a country (school)

resign — give up (a position, for example), especially by formal notification:

resign from cabinet (committee)

In consequence of his bad work, I was forced to dismiss him.

由于他工作表现不好,我只好把他辞退。

He received an honorable discharge.

他接到一张退伍证书。

They both take in and expel matter.

他们既吸取物质也排放物质。

It was better to submit, to resign oneself to the inevitable.

还是屈服，听任不可避免的命运来摆布的好。

答案：B dicharged