Final answer:
The original DQ soft-serve was developed in 1938 by John Fremont McCullough and his son Alex, but the first Dairy Queen store was opened with Sherb Noble. Hence, the correct answer to the question is J.F. McCullough and Sherb Noble.
Step-by-step explanation:
The original formula for Dairy Queen's (DQ) soft-serve was developed in 1938. The creators of this iconic frozen dessert were John Fremont McCullough and his son Alex. However, it was in partnership with Sherb Noble, a friend and customer, that they opened the first Dairy Queen store.
For the purpose of this question, the correct answer is B) J.F. McCullough and Sherb Noble. This partnership successfully launched what would become a popular ice cream franchise with the original soft-serve recipe at its core.