Dave is a small business owner attending a large convention. The presenter suddenly, and without any prior warning, asks him to step up on the stage and say a few words about why his business has been so successful. Which of the following methods will likely help him most in overcoming his feelings of apprehension?a.breathe deeply & practice frequentlyb.carefully prepare & visualize the outcomec.breathe deeply & think positivelyd.think positively & visualize the outcome