The double bond equivalents for the compounds with the following molecular formulae, namely (i) $$\text{C}_{13}\text{H}_9\text{BrO}$$, (ii) $$\text{C}_3\text{H}_7\text{N}$$ and (iii) $$\text{C}_{10}\text{H}_7\text{Cl}$$, are respectively

A

1, 5, 6

B

5, 6, 1

C

9, 1, 7

D

7, 9, 1