Which sentence best describes how groundwater travels to the ocean after surface water infiltrates the soil?
A. It flows downward until it is stopped by permeable rock, then flows
as runoff toward the ocean.
B. It flows downward until it is stopped by permeable rock, then
moves by capillary action toward the ocean.
C. It flows downward until it hits impermeable rock, then flows
underground toward the ocean.
D. It flows downward until it hits impermeable rock, then flows by
infiltration toward the ocean.