By interchanging the given two signs and numbers which of the following equation will be correct?
+ and -, 7 and 3

A

$$7 + 3 \times 9 - 8 \div 2 = 30$$

B

$$9 \times 7 + 3 - 4 \div 2 = 18$$

C

$$3 \times 4 \div 2 + 7 - 5 = 16$$

D

$$3 + 7 \div 1 - 4 \times 2 = 16$$