What is true if ln K is positive?

A. ΔGorxn is zero and the reaction is at equilibrium.

A ⇋ B Keq
-RTlnKeq = ΔG = ΔH – TΔS
If lnK is +ve then -RTlnKeq is -ve
then ΔG = -ve and hence rxn is spontaneous if the direction written.
I would lean towards C if I were you,

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