In What Way Did Footbinding Serve to Diminish the Independence

In what way did footbinding serve to diminish the independence of Chinese women by the end of the Song era?

A) Because footbinding could only be afforded by the elite, poorer women were assigned to a lower social status.
B) Footbinding sufficiently crippled women to effectively confine their mobility to their household.
C) As footbinding was required in order to practice certain professions, Chinese women found that occupational alternatives were diminished.
D) Footbinding, although considered socially attractive, was condemned by
Neo-Confucians who used the practice as a means of relegating Chinese women to subordinate roles.