For a speaker To best appeal to his/her audience he/she should make sure to dress nicely and use emotion when they are speaking, this helps because it gets people interested in what is being talked about by makin it seem important. The speaker should also make sure they pronunciate their words so it is understandable. A speaker also wants to make sure they don't seem nervous while making it seem like he/she is looking at the crowd.
Hand Gestures are ESSENTIAL visual aids are great if possible short simple sentences so easier for the audience to understand clear loud voice, make sure you are aware of the intent behind your voice - is it to persuade (loud projecting booming persuasive), create sympathy (quiet, urging) etc etc.
It is D because the tubular flowers are being favored in some way from the hummingbirds perspective, also the tubular flower is being directly stated so it 8s a "particular" flower.
