Which of these is a correct use of parallel structure?
A. Someone who cuts down trees has to be good at planning,
climbing, and have good balance.
O B. One worker climbs the tree, the other holds the ropes, and a stump
grinding machine on the ground below.
C. We have to cut back these trees because they block the light, drop
leaves in the gutters, and look like they're dying.
D. Our company will remove dead branches, cut down unwanted
trees, and you can pay extra for us to clean up the mess.
my