How did the catholic church respond to the protestant reformation?

a. the pope called for a meeting of all church leaders

b. church leaders ignored complaints from reformers

c. church leaders agreed to incorporate all the ideas of the protestant reformers

A. The pope called for a meeting of all church leaders  this is right i just took it and got it right

A. The pope called for a meeting of all church leaders.

Explanation:

The Protestant reformation was very impressive all over Europe; it not only caught the attention of the masses, but also the attention of many Catholic leaders. Some of them questioned pope's authority, other simply quitted their positions. The church leaders demanded a solution against the reformation. That is why the council of Trent was held between  1545 and 1563 in Trent, Italy, to issue all the matters regarding the protestant reformation and how to deal with them, something that would be called the beginning of the Catholic Counter-Reformation.

i believe out of the choices it is a.