By conducting a national study of opioid abuse on college campuses, researchers hope to determine where students purchase opioids, how frequently students abuse opioids on average, and which college stressors most commonly contribute to opioid abuse amongstudents .
A. which college stressors most commonly contribute to opioid abuse among students
B. which are the college stressors common to students who are likely to be turning to opioid abuse
C. the common stressors of college that are likely
...
A. which college stressors most commonly contribute to opioid abuse among students
B. which are the college stressors common to students who are likely to be turning to opioid abuse
C. the common stressors of college that are likely
...





