A connected graph H has a spanning tree with 21
edges.

How many vertices does the spanning tree have? Give your answer as a whole number.

vertices in spanning tree:
——————————————————

How many vertices does H have? Give your answer as a whole number.

vertices in H:
——————————————————

What can one say about the number of edges H has?

A. H has more than 21
edges.


B. H has at least 22
edges.


C. H has less than 22
edges.


D. H has at least 21
edges.