[单选题]
Which statement about the rh5*hpt xbr-zsa3n4 a* +ru z*celationship b1r* 1h bm1*ffmjw2 jbvetween Gibbs free energy change and the equih12bfmfb 11j* *jrmvwlibrium constant is correct?
A. If ΔG is positive,K$_c$<1
B. If ΔG is positive,K$_c$>1
C. If ΔG is positive,K$_c$=1
D. If ΔG is positive,there is not enough information to determine the value of K$_c$