The answer is connotative, so choice A.
The reason why is because the denotative definition is "a place where you live, reside" which is the literal definition of "home". This is the definition you'd find in the dictionary. Whereas the definition of "warmth, comfort and affection" is an emotional connection often placed on the word "home".
I think it would be a colon.
Maggie Simpson kept repeating her question: "How did I eat the whole pizza without anyone noticing?"
the answer is D, comforting