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.
A, as the rock in flowing water, she is sturdy and perseverant.
Because simplifying helps people to escape from complication and to succeed by focusing on themselves.
Answer:
it is (b), what the curtains sound like, which creates a suspenseful mood.