Explanation:
Because McDonald's is the second largest chain of fast food around the world. There are around 36,000 outlets worldwide. People are so in love with McDonald's and so crazy about it that people started to eat as their meal everyday. So Morgan Spurlock wanted to show what could happen if kept living on McDonald's.
Is a clause that can stand by itself in a simple sentence
The answer is the third choice or choice C. Persuade means to CONVINCE someone to try to do something or try something. In this case the speech is PERSUADING the audience to become vegetarians.
D The exits and entrances are similar to the acting on a stage