D
the error is a run-on sentence. A is ok, but not really. B is still a run-on. C has a unnecessary comma.
Answer: present
Explanation:
D. What is or what is being done.
Answer:
Sweet Roy drops his pants to his ankles and gives Dana a perfect view of a full moon! Just as Roy planned, this infuriates Dana and lures him out of his house to give Roy a royal butt-whooping.