What Aspect of the Live-In Caregiver Program Causes Social Inequality

What aspect of the Live-in Caregiver Program causes social inequality?

A) It provides women from foreign countries such as the Philippines to work in Canada as nannies.
B) It provides women from foreign countries such as the Philippines the opportunity to receive permanent resident status after two years of caregiving.
C) It can leave workers to be exploited and abused by their employers but unable to do anything about their situation because of their immigration and economic status.
D) It prevents workers from being exploited and abused by their employers as, after two years, their nanny would leave if exploited or abused.