I believe the answer would be D.
For the first one the correct answer is variant A because of the appositive developed phrase ' <span>grown in many parts of the world ' .
For the second one the correct answer is variant B because that sentence doesn't need any comma's like the other ones.</span>
Answer:
every person should make it a priority to serve at least two hours per week.
Explanation:
I took the test and I got it right... I promise it's right.