Answer:
Hello!
From the following sentences in the excerpt, the last option is a fragment.
d. "That's why I'm doing it"
Hope this helps!!
The theme of revenge starts off very early in the play when Hamlet speaks with the ghost of his dead father and when the ghost tells Hamlet how Claudius murdered him which Hamlet was extremely angry and overtaken with feelings of responsibility to right the wrong that he been done to murder Claudius
B. The number of pages correlate with the layout
The subordinate clause is "you must start researching now"