A Country Has an Estate System in Place

A country has an estate system in place. How would social mobility occur in this country?

A) The lower levels of the system would likely remain in the same social position as their parents with little opportunity for advancement.
B) The lower levels of the system would be able to gain status with hard work and opportunity.
C) The lower levels of the system would have the freedom to vote and choose their professions.
D) The lower levels of the system would be confined to a specific lower class without the ability to improve.