One Research Study Tracked the Immune Response in Men Married

One research study tracked the immune response in men married to women with advanced breast cancer.The results from this study indicated that on average, following their wife's death:

A) the men had fewer lymphocytes in their blood
B) the men had more lymphocytes in their blood
C) the existing lymphocytes showed a weaker response to foreign substances
D) the existing lymphocytes showed a stronger response to foreign substances

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