Select the correct text in the passage.
Which sentence best suggests that Dorian is trying to manage stress?

Dorian has set ambitious time-bound academic goals for himself this year. To cope with the volume of reading in his social studies class, he has been trying to use graphical representations of key information. He regularly meditates for at least half an hour a day. Before going to bed, he intensively reviews the key points he has learned in the day's studies.