Which two signs and two numbers should be interchanged in the following equation to make it correct?
$$686 − 14 \times 49 + 400 \div 5 = 596$$

A

5 and 49, $$\div$$ and −

B

686 and 5, + and -

C

14 and 49, $$\times$$ and -

D

14 and 5, + and $$\times$$