The correct answer is A. Approve or reject the king's proposals.
Parliament of England was a legislature. It became a Great Britain parliament. After a union of scotland and England whereby in that union they created Great Britain Kingdom.
Magna Carta was secured from king John by tenants in-chief where they established that the king will not collect any tax.
English Parliament limited powers for English Monarchy which after the argument culminated to trial and execution of Charles and English civil war.
They abolished parliament of Ireland where their members were merged to United Kingdom Parliament.