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". 
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Question: [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.

Answer: C


Question: Bunch of people are getting ready for kayaking, then another man holding a selfie stick to record a video of himself and then his friend while they are in kayak. Thhe camera is underwater, eventually lifting it to record the vast sea and other kayak riders. several people <sep> (A) are just in their kayaks, paddling around. (B) are sitting on water ramps, running in the water. (C) put on their paddles and start in a kayak, paddling away, and others are in a line. (D) are also fame seeking the land to kayak along the sea and doing different kinds of amazing activities.

Answer: A


Question: [header] How to encourage multiple cats to get along with each other [title] Allow the cats to smell each other before meeting. [step] Keep the new cat in a separate room so the other cats can smell her through the door. You can use your bathroom if you don't have a spare room. <sep> (A) Using a pheromone diffuser or blow dryer will help your cats get acquainted with each other's scent. [title] Keep all food, water, and toys in a separate room. (B) [substeps] When you let your cat in the room, let her sniff the other cat and climb up to the cat's shoulder. As she grows into a more dominant cat, there is a slight gap between their private rooms. (C) When they do meet but don't get in the room, put the door to your room off to the side, so the cats can scent each other. [substeps] Say, " this is a nice kitty, but make sure they won't fight over where to hide. (D) [substeps] Give the established cat something with the new cat's scent on it to sleep on. The ideal object is a t shirt with your scent on it that the new cat has sat on.

Answer:
D