Which two signs and two numbers should be interchanged in the following equation to make it correct?
$$20 - 10 \times 342 \div 19 + 51 = 211$$

A

51 and 20, - and +

B

20 and 342, - and $$\div$$

C

10 and 20, - and $$\times$$

D

19 and 342, $$\times$$ and $$\div$$