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: We see a person sharpen a knife on a sanding disc. The person touches it and turns it off. The person turns it on and then off off. we <sep> (A) see the person sharpening the knife on a cookie sheet. (B) see a man run in slow motion. (C) then see the title screen. (D) see the man talking to the camera.

A: D
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Q: A woman stands behind a bar and talks to the camera. The woman then takes a glass an puts it on the bar. the woman <sep> (A) screws a cocktail shaker onto a lemon wedge and pressing the lemon wedge back and forth. (B) begins making a cocktail. (C) takes a bucket and turns it upside down. (D) then pours liquid into the glass with ice after.

A: B
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Q: [header] How to get new patients for a dental practice [title] Start by researching your competitive market. [substeps] Look at how large the practices are around you and what they offer their patients. Use this information to carve out a niche for your business. <sep> (A) Research the types of dental practice your business has so you know what services are in line with your needs. [title] Research the pay models you already have. (B) You may specialise in a different trade or only offer veneers. [title] Collect references, referrals, rankings and graphs from your clients. (C) The ideal dental practice is two or three times larger than other working clinical practices, many of which includes specialty dentists. Research the salaries of particular dentists before selecting a career path that benefits your customers. (D) See what advertising of theirs catches your eye. Ask yourself if any of those dentists' marketing techniques will fit your business.

A:
D
****