By interchanging which two signs and two numbers the equation will be correct?
$$8 \div 4 \times 6 + 3 - 9 = 1$$

A

$$\times$$ and $$\div$$, 8 and 9

B

$$+$$ and $$\times$$, 4 and 6

C

$$\times$$ and $$+$$, 4 and 9

D

$$+$$ and $$-$$, 6 and 9