Which is the most suitable reagent amon the following to ditinguish compoun `(C)` from the

Which is the most suitable reagent amon the following to ditinguish compoun `(C)` from the rest of the compounds `?` `(A)` `CH_(3)C-=C CH_(3)`,`(B)`(`CH_(3)CH_(2)-CH_(2)CH_(3)` `(C)` `CH_(3)CH_(2)C-=CH` , `(D)` `CH_(3)CH=CH_(2)`

`(C)`