【单选题】South Dakota ranks completely the last in average teacher salary and 42nd in the spending per pupil. But its 1989 American College Test scores are among the highest in the nation. In knowledge and. sk...
A.
A special combination is required by the state in selecting teachers.
B.
Forty-two students won an award in a national test in 1989.
C.
Teachers are not as well paid as those in other states.
D.
Academic achievements are highly regarded by the state and the public.