Picturing yourself delivering your speech in an effective way is known as _________

Lawrence has the tendency to constantly call attention to

himself during group meetings by boasting or cracking jokes. He is acting as a(n) __________. Fill in the blanks with correct word

Of the phrases below, which one is most likely a main idea for a presentation on pollution rather than a supporting point? 

A. Rise in sea levels B. Effects of environmental pollution C. Destruction of species D. Increase in incidence of asthma