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 use psychology to close more sales [title] Give something for free. [step] The principle of reciprocation is a psychological phenomenon described by dr. robert cialdini, an expert in persuasion. According to this theory, it is part of human nature to feel obligated to repay debts of all kinds, big and small. <sep> (A) To begin this process, ask yourself if you really are willing to sell something for free. If you are willing to throw in the money, then you are probably willing to take credit. (B) You can't force anything on someone else. [substeps] If you " feel " obligation to a friend or loved one, give them something to ask you " if i use this method, what will happen? " [title] Assemble your argument. (C) If someone receives something free, they will feel a psychological urge to purchase a product to pay you back for your kindness. [substeps] Offer a free trial period, a sample, or even a pleasant experience. (D) To do this you must pay for or at least accept the full offer. After that you must devise a plan of compensation.

A: C
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Q: We see a man in a driveway cleaning snow from his car. The man cleans the snow under his windshield wipers. we <sep> (A) see the old man's garage and what looks like a boat in the water. (B) see the building behind the car. (C) zoom in on the cabin. (D) see the mans silver car gliding by in the background.

A: B
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Q: Several people are seen standing around an arena while others stand to play shuffleboard. a man <sep> (A) begins losing and hitting the table. (B) first knocks the ball around the area and throws it into the middle. (C) pushes a puck along several times while others do the same behind him. (D) is seen standing at a microphone and they hit the ball back and fourth to one another.

A:
C
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