Karen had been working overtime to complete a project so that she could go skiing at the end of the month. On the say of her trip, Karen got sick with the flu and had to cancel. Stress hormones had most likely affected her immune system by:________.A) Hardening her arteriesB) Causing the hippocampus to shrinkC) Suppressing white blood cells called T lymphocytesD) Diverting too much blood to the heart and thereby overloading the systemE) Increasing melatonin release into the bloodstream