How does renfield's eating of flies and spiders and sparrows work as a symbol for vampirism

Why does pumblechook choke on the brandy at christmas dinner? a. he has had too much to drink. b. mrs. joe had only spoiled brandy to serve him. c. pip replaced it with tar water. d. he becomes overexcited telling his story.

Use a pronoun to refer to two or more singular antecedents joined by or or not

What does this excerpt explain about this setting