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: [header] How to find the number of a blocked call [title] Get an private branch exchange (pbx) account. [step] One option is asterisk, a free, open source software. Another is switchvox. <sep> (A) This will also work better than 200 blackwire. If you buy one, it will work with the same account ($ 0.11). (B) The pbx is considered to be a free exchange. While this service typically does not have much use for a desktop account, it gives you access to many anonymous call accounts. (C) A pbx converts your computer into a telecommunications device and will allow you to manipulate incoming call data to identify blocked callers. [substeps] Before embarking on this method ensure that you thoroughly understand the technical challenge it presents and the potential financial burden it incurs. (D) Without switchvox here you are on better business. No other option is available to get a contact number from an online website.

A: C
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Q: A large group of people are seen playing instruments with one another. the camera <sep> (A) pans around the audience and shows the audience shaking hands. (B) pans around to show many people leading in front and the drummer leading in front. (C) follows a bull that ties up a man on the ground. (D) zooms in on a man playing a violin.

A: D
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Q: Sunscreen is addressed and he overviews how and why to apply sunscreen properly. Sunscreen spf value is addressed with a slide on how to pay attention to the proper spf. he <sep> (A) continues taking small steps that include blending warm up and sunscreen using a lighter layer on the back, at the same time making sure it covers all of the essentials. (B) then sprays over the dirt rub using a scrub brush and adds water from a dispenser. (C) recommends that you not skimp on the former bristle as the salt and pepper has no effect on choosing your brand under the sun. (D) addresses the negative impacts of sunburns, especially with children.

A:
D
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