Singular noun is a noun that assigns to one thing, one person and one idea. Example: Boy, Girl, Father, Mother, Man, Doctor and so on.
Probably like Call of Duty: Advanced Warfare. XD
Answer:
John Richard ("Packed" or "J.R.") Simplot (/ˈsɪmplɒt/; January 4, 1909 – May 25, 2008) was an American entrepreneur and businessman best known as the founder of the J. R. Simplot Company, a Soda Springs, Idaho based agricultural supplier specializing in potato products.
The correct sentence is A.
All of the other sentences are grammatically incorrect.
Hope I helped!