If $$+$$ means $$−$$, $$−$$ means $$\times$$, $$\times$$ means $$\div$$, and $$\div$$ means $$+$$, what will be the value of the following expression?
$$20 \div 2 + 4 - 8 \times 4 = ?$$

A

14

B

10

C

8

D

4