They get into Christmas, especially believing in Santa Claus
B. would be the best choice to choose.
The closing of a presentation should end with either a recap of what your presentation discussed or with a simple conclusion to put an end to your thoughts. These two options would help your presentation flow together fluently. More than likely, you will get an A if you formed the presentation in an organized manner and put correct and accurate information into the body of your presentation.
Hopefully this helps :)
Consider the age group of the people you will be addressing and make sure your language choices is right for them
Make sure that you consider any ethnic or cultural differences
Organize your materials well
Use real-life experiences
Find out if there are any issues the audience would like you to address
I hope this helps :)
I’m not sure if these answers are correct but it’s what I would do.