Johnny stated "All prime numbers are odd." Charlene responded, "I can demonstrate that your statement is false." Which explanation is sufficient to prove Johnny's statement is false?

Answer choices are
A)Many prime numbers have a difference of two, such as 5 and 7, 11 and 13, and 41 and 43.

B)The numbers 15, 35, 21, are all odd, but not prime numbers.

C)There could be a very large number that is even and prime.

D)The number 2 is a counterexample.