In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 

The people start the race behind a closed and grated fence, which then opens and allows them to start racing from an elevated platform down onto the paved raceway. the racers <sep> (A) pedal with one person in a white jacket in the lead. (B) pass snow covered stands along a hilly road up above the as they ride up the hill past the tight stands and sandy roads of the garage. (C) sit against the wall on the track as they wait for the race to start. (D) pass through gaps while the passengers attempts to stay ahead.
A

[header] How to numb a tooth [title] Take an over-the-counter-painkiller. [step] A painkiller like ibuprofen or acetaminophen should be your first step in trying to numb a painful tooth. These painkillers will alleviate the pain from your tooth, and should also decrease any swelling in the infected area. <sep> (A) [substeps] If you are not able to find ibuprofen, you can opt for acetaminophen instead. [title] Freeze food that contains aspirin. (B) [substeps] Ibuprofen can be applied within 30 minutes to up the duration of an over-the-counter painkiller. Follow the manufacturer's instructions and do not take ibuprofen within 30 minutes after it has been applied. (C) [substeps] Make sure you read and follow the dosage on the packaging. Do not eat anything until told to do so by your dentist to ensure you are following the proper dosage. (D) These are all readily available at your local pharmacy. [substeps] If you're treating a toothache in a child younger than 18, do not give him or her aspirin.
D

[header] How to cut a fringe [title] Determine the kind of fringe you want, depending on your face shape. [step] If you have a long oval face with a wider forehead, try a blunt front fringe. If you have a smaller forehead and rounder face, try a side-swept fringe. <sep> (A) The width of your fringe should be the length from one arch of an eyebrow to the other. You can make it slightly wider, but don't make it too narrow. (B) If you have a shorter face with short hair, choose an updo with curlers. [title] Cut fringe off your forehead if you have very light hair. (C) [title] Cut away all of the fringe from your face, as that adds volume to your face. [step] If your forehead is wide and you want to end up with a scrunched face, try choosing the side-swept fringe. (D) But if you have a narrow face with a long face, try a side-swept fringe. [substeps] If you have a wide forehead with short hair, having fringe on the side-swept fringe can work great! [title] Buy a fringe body piece to line the face line.

A