A Soft Drink Rises in a Straw When You Suck

A soft drink rises in a straw when you suck on the straw because ________

A) the vacuum pulls the liquid up the straw.
B) capillary forces attract the liquid to the walls of the straw.
C) the air pressure inside the straw is less than the air pressure outside the straw.
D) the air pressure inside the straw is greater than the air pressure outside the straw.
E) the liquid level inside the straw is pushed up by the liquid level outside the straw.