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". 

Q: A young woman is smoking a bong. She exhales a lot of smoke. she <sep> (A) walks out of the room holding a clipboard. (B) moves her chest around to play the bongos while she's inhaling. (C) throws the smoke in the air. (D) smiles and the camera pans away.

A: D
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Q: 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: A
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Q: [header] How to help your dog whelp or deliver puppies [title] Take your dog to the veterinarian. [step] If your dog's pregnancy is planned, take her to the veterinarian for a check-up before breeding her. Bring her in again about 30 days into the pregnancy. <sep> (A) This gives the vet the opportunity to decide if the pregnancy is appropriate for breeding, and how many puppies the baby needs. The vet should also examine your dog's vulva-the pink uterus between the urethra and urinary tract. (B) The vet will run some simple tests to help detect pregnancy changes. These include a urine sample and x-rays, and then blood to measure uterine tissue. (C) If the pregnancy wasn't planned, take her to the vet as soon as you find out she's pregnant. [substeps] If you plan to breed your dog, it's recommended that you wait until she's at least 24 months old. (D) [substeps] Urinary tract infections often cause breeding. During this point, the vet will ensure your dog does not have urinary tract infections.

A:
C
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