I believe the answer would be D: a current study on the effects of stress on the body published by a medical journal.
Hope this helps.
Throughout history there have been many groups. One in particular is the Ku Klux Klan. This group believed etc...
The correct answer is D. Cullen's poem is about humanity and interconnectedness of all people with their griefs, sorrows, and joys. Everybody should share other people's mischiefs. In fact, we cannot help it but share our problems and troubles. Pitching a tent might provide an illusion of protection, but it is only a matter of arrogance and selfishness. Other people's support, sympathy, and solidarity are the best protection we can get.
