Interpret OR=0.53 95% CI (0.14, 1.02)

a. The odds of prior exposure among the cases are 0.53 times greater than among the controls, and this finding is statistically significant.
b. The odds of prior exposure among the cases are 0.53 times less than among the controls, and this finding is statistically significant.
c. The odds of prior exposure among the cases are 0.53 times greater than among the controls, but this finding is not statistically significant.
d. The odds of prior exposure among the cases are 0.53 times less than among the controls, and this finding is not significant.