Answer:
I'm only having a guess here:
Two, empty, and several.
Explanation:
"Two"
describing how many bulldozers there are
"Empty"
describing the parking lot
"Several"
describing how many weeks the bulldozers have been in the parking lot for
The answer is D. The comma is in the correct place. In the other sentences the commas make the sentences not make sense.
The last one
Hope this helps
I can't answer, I need the sentences