Consider the Path Represented by the Sequence of Numbered Edges

Multiple Choice

Consider the path represented by the sequence of numbered edges on the graph below. Why does the path NOT represent an Euler circuit?

A) The path does not start and stop at the same vertex.
B) The path does not cover every edge of the graph.
C) The path uses some edges more than one time.
D) The path does not touch each vertex of the graph.