Tears and Saliva Contain an Enzyme That _________

Tears and saliva contain an enzyme that _________.

A) causes viruses to burst and die
B) coats the cell surface of bacterial cells,making them more easily found and destroyed by phagocytes
C) prevents viruses from binding to host cells,thus preventing infection
D) breaks down bacterial cell walls,causing them to burst
E) All of the answers are correct.