Which of the following is not correct about the hypothesis?
1. It is a suggested testable answer to a problem.
2. It is a interogative statement.
3. It is based on operationally defined concepts.
4. It involves higher monetary expenses.
5. It should always be in accord with other hypothesis of the same field.
Select the correct answer:

A. Only 1

B. Only 2

C. 2, 4 and 5

D. 2, 4 and 3

Answer: Option C