If the symbols $$\alpha, \beta, \gamma$$ and $$\delta$$ stand for arithmetical operations of addition, subtraction, multiplication and division respectively, then
$$\frac{(42\delta2)\beta(5\gamma4)}{(5\beta4)\alpha(4\delta4)}$$=

A

0

B

$$\frac{1}{2}$$

C

1

D

2