Consider a Digraph with the Following Vertices and Edges: Vertices

Multiple Choice

Consider a digraph with the following vertices and edges: vertices: 1, 2, 3, 4
Edges: (1,2) , (2,1) , (3,4)
Which of the following statements are true?

A) The graph has a cycle
B) The graph is connected
C) The graph is acyclic
D) all of the above are true
E) neither a, b, nor c are true.