It is during older adulthood that most people

The choices can be found elsewhere and as follows:

A) reach emotional maturity. 
B) begin to enjoy themselves because they are free of some past major responsibilities. 
C) decide to have children. 
D) experience physical and mental deterioration. 

I believe the correct answer is option B. It is during older adulthood that most people begin to enjoy themselves because they are free of some past major responsibilities. Hope this answers the question.

The correct answer would be: c. ritalin