C. Suzie, my best friend, is also an amazing athlete.
It is the sentence that does not contain any errors in comma usage.
Usage of commas
1) to separate items in a series
2) to separate coordinating adjectives
3) to separate two independent clauses (compound sentence)
4) to separate the introductory words from the independent clause.
5) to separate nonessential words, phrases, and clauses
* All choices contain an "appositive". An appositive renames the subject.
My best friend is an appositive for Suzie.Thus it is enclosed by commas to separate it from the rest of the sentence.
B. an original research report
Answer: Hassan and Springdale Athletic Club are the proper nouns.
Explanation:
This sentence uses the persons name and the name of the club instead of just saying " The person went to the athletic club." Remember proper nouns are like saying a persons name and saying the full name of a club or place.