C. since she was hungry, she had a snack
Denotative is the dictionary meaning, while connotative refers to the connotation of the word. For example, crunchy has a positive connotation, and, say, brittle, has a negative connotation. Do you have specific words/phrases?
Friar Lawrence was a friend of Romeo and Juliet. He thought by marrying them they feud between the Montagues and Capulets would be buried, but all it did was make it worse.
A bibliography includes any source you use while writing an assignment. This could be websites, book titles, etc.