Can you help choosing the correct option from each example premises below? I want to learn more.

28) All of the following are tactics for developing an audience-centric message, except: a. Make sure that as many topics as possible are being included to cater to all members of the audience. b. State the main points at the beginning of the presentation. C. Eliminate irrelevant information. 29) To communicate with an audience use a conventional mode of presentation, consult common knowledge as much as possible, provide background information, and include a wealth of definitions and explanations. a. International or multicultural b. Expert Not an expert C. 30) Establishing a foundation is an appropriate strategy in all of the following except: a. To overlook cultural differences between you and your audience. b. To establish goodwill. C. To show that you share interests or goals with your audience. 32) When selecting a communication channel, all of the following should be considered, except: a. Whatever is easiest for the sender. b. The need for a record. C. The time in which communication is required