Answer:
Hamlet doesn't kill Claudius at this point because he believes that Claudius is praying. He says that killing the king NOW would be "hire and salary, not revenge!" He simply cannot send Claudius to heaven, where he would surely go were he killed just after praying and purging his sins.
Explanation:
A sentence, to be a sentence, must contain a subject and a verb. In A there is no subject, who/what is "receiving intravenous antibiotics"
