Answer:
Steps in Preparing a Presentation - Penn Statetutorials.istudy.psu.edu › oralpresentations › oralpresent...
Once you have selected a topic, write the objective of the presentation in a ... Use this statement to help keep you focused as you research and develop the presentation ... You don't want to plan a presentation that is too basic or too advanced. ... To present your ideas convincingly, you will need to illustrate and support them ..
Explanation:
The first one is his, the second one is whom.
I believe it is D. Parallelism is used when he says That they, that all that among etc. which creates a rhythm.