Which two signs and two numbers should be interchanged in the following equation to make it correct?
$$189 \div 2 \times 30 + 18 - 5 = 159$$

A

189 , 30 and + , $$\div$$

B

18 , 30 and $$\div$$ , −

C

2 , 30 and $$\div$$ , $$\times$$

D

30 , 18 and − , $$\times$$