During clhorination of methane to methyl chloride, the propagation step is represented by
A. `Cl-Cl rarr overset(.)(C)l+overset(.)(C)l`
B. `Coverset(.)(H)_(3)+overset(.)(C)lrarrCH_(3)Cl`
C. `CH_(4)+overset(.)(C)l rarr Coverset(.)(H)_(3)+HCl`
D. `overset(.)(C)l+overset(.)(C)lrarr Cl-Cl`
