D. Dad
In this sentence, dad is being used as a name or proper noun. It needs to be capitalized.
The definition of dyspeptic is a person with poor digestion, something that relates to poor digestion or a depressed person.
I have a big test tomorrow; I can't go out tonight
First, it is spelled servile. Second, here is your sentence!
The boy was servile and weak, intolerably vain and ambitious.
