Asmall child managed to eat a bit of dirt while playing outside. which of the following would prevent the child from getting sick from the bacteria ingested?

a.) if there were not a pathogenic bacteria in the dirt

b) if the child had previously taken antibiotics for that type of bacteria.

c) if the child already had the antibodies to fight the bacteria.

d) if the child’s cells had complementary receptor molecules that bind to the bacteria.