The correct option is C She was wearing a corset
During the Victorian Era, women were groomed to be docile, dutiful, submissive, and obedient. From childhood, girls were tightly laced up and dressed in stays to restrict the growth of their bodies. Older girls had to wear tight fitting corsets. Tightly laced, small-waisted women were admired as attractive, elegant, and graceful.
Annalise, being an older girl, would be expected to wear a corset. Corsets have been shown to have many medical side effects, including difficulties in breathing.