In a code language if $$‘+’$$ means $$‘x’, ‘x’$$ means $$‘-’, ‘-’$$ means $$‘\div’$$ and $$‘\div’$$ means $$‘+’$$, then $$2 \div 4 + 8 - 16 \times 32 \div 64 \times 128 \div 256 =$$

A

20

B

27

C

64

D

164