Academicians tend to praise research that agrees with their own beliefs, and it is
rare for kindness to be shown to contrary theories
(A) beliefs, and it is rare for kindness to be shown
(B) beliefs, with a rare kindness shown
(C) beliefs, and rarely show kindness
(D) beliefs, they are rarely kind
(E) beliefs, but they show rare kindness

OA is c
Can expert give me logical approach to solve this question? Thanks in anticipation.