Answer:
c. Without the freedom to express themselves, people can become mentally ill.
Explanation:
In the narrative Yellow Wallpaper, the wife finds herself trapped under the controlling supervision of her physician husband John, who does not take his wife´s grievances seriously. He considers her health state, a case which only needs good rest, good air and good nourishment - a temporary nervous condition.
Her husbands control of her wishes forces her get more involved in the negative aspects of the yellow wallpaper thus affecting her self-estime and mental state.
