What is the plural possessive of ostrich

Review the previous excerpt from barbra jordan’s speech. answer the following 3 questions in the space below.

Which sentence best states a theme of gilman's "the yellow wallpaper"? a. women in the 19th century often played a lesser role in marriage. b. when a person is unwell, rest is the best medicine. c. a husband does not believe that his wife is sick, which leads to disastrous consequences. d. the narrator does not like the yellow wallpaper in her bedroom and becomes mentally disturbed.

Is my answer correct? if not correct me