Multi-select problem: How does the next paragraph end?

How to measure diameter at breast height (dbh )
Measure 4.5 ft (1.3 m) above the ground.
Use yourself as a human measuring stick by locating this point on your body before entering the field. If the tree is on a slope, measure from the highest point of the ground.

Select from the following. a. If you are going forward, you need to measure from a point where your legs will touch, while if you are going south, measure from a point where you will go north. You can make the difference between distances by picking up the measuring stick and taking it to the ground. b. If the tree is on a hill or a flat area, measure from that. If you are measuring across a field, measure from the top of the field's slope to the highest point of the hill. c. Measure from the top of a hill to the second highest point of the slope. This second peak will be known as the final pole. d. Wrap your diameter tape around the tree's trunk at the determined height. Most tapes have a hook attached that you can use to anchor the end of the tape if the trunk is too big to wrap your arms around.
d.