By Interchanging the given two numbers (Not digits) which of the following equation will be correct?
5 and 9
I. $$7 \times 9 + 5 - 8 \div 4 = 42$$
II. $$9 \times 3 + 5 \div 1 - 4 = 20$$

A

Both I and II

B

Neither I nor II

C

Only II

D

Only I