Umm. ok was that A question?
Answer:
D
Explanation:
According to the given excerpt, the author talks about the benefit of using goats to clear grasses in a piece of field.
The second paragraph however goes ahead to state the added importance of he goats as there are little concerns about clean up since the goats eat up the grasses, even the poisonous ones to man and the ones people are allergic to and don't want to go near.
The second paragraph develops the author's thesis by providing further evidence and a restatement of the thesis.