What is the purpose of putting the following sentence in the letter?%0D%0A%0D%0AWe know you'll do the right thing by letting the trees continue to beautify and shade our school.%0D%0A%0D%0AA. %0D%0AIt is an example of propaganda that gives the principal wrong information about the trees.%0D%0A%0D%0A%0D%0AB. %0D%0AIt is a form of persuasion that helps the principal understand the facts about the trees.%0D%0A%0D%0A%0D%0AC. %0D%0AIt supports the author's concern that the principal is not a very intelligent person.%0D%0A%0D%0A%0D%0AD. %0D%0AIt is a form of persuasion that suggests the principal is smart enough to "do the right thing."

B. It is a form of persuasion that helps the principal understand the facts about the trees.