what would a depth-first search of the following graph return, if the search began at node 0? assume that nodes are examined in numerical order when there are multiple edges. group of answer choices 0, 1, 5, 6, 2, 3, 4 0, 1, 3, 4, 5, 6, 2 0, 1, 2, 3, 4, 5, 6 0, 1, 1, 1, ...