[单选题]
Colorimetry was used to determine thn oa3ka)491 zm sf x.9 we*tyurild+.ae change in color for q3z0zr( +ag tsthe below system at equilibrium (0+s3gra qzz tas temperature increases.
Which statement(s) is/are correct for the following reaction?
I.The forward reaction is exothermic
II.The backward reaction absorbs energy
III.$K_c$ decreases with increasing temperature
A. I only
B. II only
C. I and III only
D. I, II, and III
