Rub some onion to a bee sting, mosquito bite or any insect bite. After a few hours, the pain, itchiness and swelling will （）.

Rub some onion to a bee sting, mosquito bite or any insect bite. After a few hours, the pain, itchiness and swelling will （）.
A.retire
B.retreat
C.afflict
D.subside
E.enhance
正确答案：subside