Which sentence below demonstrates incorrect subject-verb agreement?
A. They review each applicant based on test scores, school grades, and active participation in the community.
B. The Blackburn Committee decide which student is the most qualified and most deserves the Covington Scholarship.
C. The scholarship not only covers college tuition for four years, but it includes the cost of books as well.
D. There is also a Covington Scholarship available for graduate students as well, but the requirements are different.