So its acquired immunity and the cells responsible are the B lymphocytes that produces antibodies against the virus. Memory is keep since first encounter of the virus by the immune system by way of the antibodies that was initially produced. The antibodies are there already, which makes it fast to act upon when expose again.
C. Problem focus - seems to fit the best for stress-relieving techniques
yes it could have a lot to do with her problems
A. Scheduling time can help prevent you from avoiding exercise.
