At 298 K, the standard free energies of formation of cis- and trans-1,2-dichloroethene are 41.549 kJ and 33.235 kJ respectively. The most appropriate mol ratio of trans- and cis- isomers at equilibrium at 298 K is

A

$$10 \colon 3$$

B

$$3 \colon 10$$

C

$$28 \colon 1$$

D

$$1 \colon 28$$