I’m not sure what portion you’re referring to, but I would say that he uses the rhetorical device of repetition most effectively, as he repeats “I have a dream”.
D is the answer because the verb is dripping due to fact that that's the action and the mood is indicative because indicative means revealing and it reveals that the dripping paintbrush will get paint on you if you're not careful.
Answer:
just say thank you very much and because you ask that.-.