Replace # sign with the mathematical operators `+', `$$\div$$' and `—' and `=' to get a balanced equation out of (27 # 15 # 2) # 10 # 4. Choose the right sequence from below.

A

+ $$\div$$ = -

B

- + = $$\div$$

C

+ - $$\div$$ =

D

+ = $$\div$$ -