Examine the chain of infection and the labels below. Chain of Infection Portal of entry D Host A Transmission Portal of exit C Infectious B agent Reservoir Which examples could match the labels A, B, C, and D in the diagram? O A could be the nose; B could be a human; C could be mucous membranes of the eye; and D could be a virus. O A could be mucous membranes of the eye; B could be the nose; C could be a virus; and D could be a human. O Acould be a virus; B could be a human; C could be the nose; and D could be mucous membranes of the eye. Arould he a human could be a vinis: rould he the nose and I could he mucous membranes of the eve