Given below are four jumbled sentences. Select the option that gives their correct order.

A) Blocking sound waves from reaching the eardrum.

B) It’s secreted by glands in the outer ear canal in order to block dust, bacteria, insects, and other outside agents from infiltrating the ear canal.

C) While it’s incredibly beneficial to the health of the ear, overproduction can cause earwax impaction.

D) Earwax is made from a mixture of long-chain fatty acids, alcohols, cholesterol, and the chemical compound squalene.