Which row in the table below contains an error? CauseDisorderALymph vessel blockageLymphedemaBBacteriaMononucleosisCCancerLymphomaDImmune systemLupus

Row B contains the error: mononucleosis is usually caused by the Epstein–Barr virus, not by bacteria. The other pairings are correct: blocked lymph vessels can cause lymphedema, lymphoma is a cancer of the lymphatic system, and lupus is an autoimmune disease in which the immune system attacks the body’s tissues.

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