[单选题]
Colorimetry was used to determip cw1y7 ;jw9k2ho7 wqi9 o3yotja tj.k *0p;yune the change in color for 1kv.uo h:da5a the below system at equilibrdhvo: ku5a1a. ium as 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
