On page 5, what is the purpose of counting down the number of meters between the narrator and
her father?
to create empathy for the narrator
to sequence key events
to create and increase tension
to link the plot and subplot

answer: i am not sure but i think you should go for c

explanation:

answer: b (host)

viruses use the cells of living organisms to reproduce. the cell which is used by virus is called as "host cell". it is a living cell in which virus multiplies, example bacteria, plant or an animal cell.

in this, the virus is a parasite, which uses host cell for its benefit (reproduction) by using the cell machinary of host cell.