Final answer:
The practice where Catholic clergymen held multiple church positions is called pluralism, which is distinct from simony, the act of selling church offices. so, option c is the correct answer.
Step-by-step explanation:
The practice in which Catholic clergymen held multiple church positions simultaneously is known as pluralism. This practice allowed them to collect income from multiple benefices but often made it impossible to effectively perform their pastoral duties in every place. The practice of simony, or the selling of church offices, was a related issue and a common practice that was later condemned and reformed by the church. The pursuit of such practices contributed to the corruption within the church and sparked various movements towards reform.
Pluralism is the practice in which Catholic clergymen held multiple church positions simultaneously, collecting more income but making it more difficult to perform all of their duties.
The practice in which Catholic clergymen held multiple church positions simultaneously, collecting more income but making it more difficult for them to perform all of their duties, is called pluralism.