The correct answers are A) use of rhetorical techniques, C) use of appropriate style, and D) use of persuasive language.
These are effective elements of an opening statement about the increasing costs of higher education: the use of rhetorical techniques, the use of appropriate style, and the use of persuasive language.
When making a speech, you have to immediately catch the attention of your audience. One of the best ways to start with your opening statement is to use rhetorical techniques to enlighten the beginning of the speech or make your audience think. Always be formal and correct when addressing your audience and you are allowed to use persuasive language to try to convince them about your point.
