Question

one way to stop a brain freeze is to...
a put on a hat to keep your head warm.
b warm up your throat by drinking something hot.
c keep eating ice cream so your body gets used to it.
d eat quickly so you do not feel the freeze for as long.

Explanation:

Brain freeze is caused by cold刺激 to the nerves in the mouth and throat. Drinking something hot warms up the throat and helps relieve the spasm of blood - vessels that cause the pain. Wearing a hat doesn't directly address the source of the problem in the mouth and throat. Continuing to eat ice - cream or eating quickly will not stop the brain freeze.

Answer:

B. warm up your throat by drinking something hot.