Question

Which one of the following is a correct example of the singular possessive case?
a. women's club
b. king's rights
c. who's job
d. audiences' reaction

Answer 1

B is the correct answer here.

❶king -  a singular noun ✓
❷women - a plural noun ✘
❸who - it's not possessive ✘
❹audiences - a plural noun ✘

HTH ;)

Answer 2

King's rights is a correct example of the singular possessive case.