It’s D because it’s literally common sense
The implementation in psychology is most successful when the person could be able to tackle one habit at a time, where in, the person could focus in each and to effectively use this method in quitting the person's habits. The implementation has the capability of helping an individual in modifying his or her behavior and habits to reach their goals.
Yes it is said just talking to someone can reduce the impact of the stress <span />
Talk to someone,do things to take your mind off it , like working out ok for instance