Doran works in the trauma department of a hospital, where the job is extremely stressful. Which is the best option for Doran to manage his stress? A. Watch television in bed till he falls asleep
B. Undertake some aerobic activity for 30 minutes everyday
C. Excuse himself from handling cases he knows will cause him stress
D. Snack on his favorite comfort foods after getting home
E. Take some medication to calm him down when he gets home

Please help, I think it's either B or C :,)

Aresearcher lyses a cell that contains nucleic acid molecules and capsomeres of tobacco mosaic virus (tmv). the cell contents are left in a covered test tube overnight. the next day this mixture is sprayed on tobacco plants. we expect that the plants would ) develop some but not all of the symptoms of the tmv infectionb) develop the typical symptoms of tmv infectionc) not show any disease symptomsd) become infected, but the sap from these plants would be unable to infect other plants