The white horse which was first in the race, a young horse never tired, fast horse always speedy, innocent horse sometimes not so naive, smart horse extremy skillful, Arab horse with some English blood, tall horse always slim, fantastic horse that seems to fly, foreign animal in the desert, thin beast with strong fur belonged to Napoleon.
A: is incorrect because the sentence is talking about more than one potato chip, so it should be Are the potato chips stale?
B: Is incorrect because it is talking about more than one scuba diver. So it should be Have the scuba divers from the boat surfaced yet?
C: Is Correct.
D: Is incorrect because you are suppose to use Do instead of Does.