Multi-select problem: How does the next paragraph end?

How to give a presentation
Focus your presentation.
Having a long, rambling presentation that is hard to follow is not going to win you any audience interest. You need to make sure that your presentation is clear and focused and that any asides you throw into it are there to back up the main point.

Available choices:
a). How you plan to accomplish these goals may have to do with the types of ideas you are trying to create, ideas you need to bring in, and ways you have done well in the field. You should set aside time for background.;
b). Make sure you are sure that you are presenting the same things every day and including many different presentation tasks and dates. This can help you to stay motivated even when you are a nervous and an overly emotional person.;
c). Do not waste time on small talk and talk about what to say next. This will disrupt your presentation and will more likely lead to negative messages of sadness, resentment, and dismissal.;
d). It's best to have 1 main thesis statement or overarching theme and 3 main points that back-up or flesh-out your main theme. Any more than that and your audience is going to start losing interest.;
d).