Consider the graph G shown below h 9 a b C e d f Determine whether each of the following is a perfect matching and whether it is a partial matching a h b g e f OA Is a perfect matching OA Is a partial matching a b b c c d d e e f f g g h h a OC Is a perfect matching OC Is a partial matching a b c d e f g B Is a perfect matchin B Is a partial matchin a c e f g h D Is a perfect matchin D Is a partial matchin