This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to get rid of undereye circles naturally
Apply fresh cucumber slices.
Cucumbers contain skin-lightening properties so they are ideal for the treatment of undereye circles. They also have anti-inflammatory properties, which can help reduce any puffiness under your eyes.

a). Cut a slice off a cucumber and use it as a base for ointment or moisturizing. You can apply the cucumber to your eye for as short or as long as you like..
b). Cut two thick slices of cold cucumber and apply them on your closed eyes. Keep them there for 10 to 15 minutes, three times a day..
c). To apply fresh cucumber slices, take 1 layer of fresh cucumber and apply it to your undereye. Leave the cucumber slices on your skin for 3 to 4 minutes..
d). Apply a couple of slices of cucumber (about five-ten milliliters) to the outer half of your eye (s) and rub it in smooth circular motions (holding each slice in your fingertips). Cucumber works well for treating blemishes, rings, and dark circles..
The answer is:
b).