#### Answer

We can make a spanning tree with the edges AB, AC, CD, and DE.
We can make a spanning tree with the edges AB, AC, BE, and DE.
We can make a spanning tree with the edges AC, BC, BE, and DE.
We can make a spanning tree with the edges AC, BC, CD, and DE.

#### Work Step by Step

The original graph has 5 vertices and 6 edges. If a tree has 5 vertices, then it must have exactly 4 edges. To make a spanning tree from the original graph, we need to choose 4 edges from the original graph.
We can make a spanning tree with the edges AB, AC, CD, and DE.
We can make a spanning tree with the edges AB, AC, BE, and DE.
We can make a spanning tree with the edges AC, BC, BE, and DE.
We can make a spanning tree with the edges AC, BC, CD, and DE.