Answer:
a. resulted mainly from the fears of English aristocrats that the birth of James II's son would lead to a Catholic succession.
Step-by-step explanation:
The glorious revolution or as also called the bloodless revolution of 1688, was the result of the religious and political upheaval in England. King James Second was a Catholic King and he demanded unconditional power which concerned parliamentary opposition and Protestants. Daughter of King James Second was a Protestant and the only heir to the throne and it pleased the opposition that everything would be settled in future but with the birth of King James Second's son the situation change, resulted in revolution.