Decide if the converse is true for the following true conditional statement: "If a number is divisible by 4, then it is even." If it is true, choose a valid biconditional statement. A. A number is divisible by 4 if and only if it is even. B. A number is even if and only if it is divisible by 4. C. The converse is false. A valid biconditional cannot be formed. D. A number is not even if and only if the number is not divisible by 4.