some considerations you should have of your audience would be who your audience is, is it business is it a reunion, exc. you would adjust the content to your audience by making sure it is put in a way they will understand. especially if it is a persuasive speech you want to make them believe your point of view. if your audience was president of the college you would need to change your speech to be as professional as possible.
The answer is (C).
All proper nouns begin with a capital letter (e.g. Annie, Florida, American, etc)
Since July is capitalized, it is a proper noun.
