Who Among the Following Is Likely to Have Low Natural

Who among the following is likely to have low natural killer (NK) cell cytotoxicity?

A) Martha,who is using avoidant coping methods to cope with the stress caused by the death of a friend
B) Amanda,who is using active coping strategies to cope with stress caused by her recent divorce
C) Sean,who is receiving emotional support from his wife to cope with stress at work
D) Hector,who is unemployed but optimistic about finding work