You anwsered A.
Research shows that many people will choose Option B, even though the expected value (the average amount earned over a large number of trials) is the same for both options. This is because people are more motivated to avoid losses than to gain equivalent rewards.
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You anwsered A.
Research has shown that most people would choose B. People who are given artificial advancement toward a goal tend to be more persistent in their efforts to achieve so, which is known as the endowed progress effect. This is due to the fact that the initial progress gives people a sense of ownership and accomplishment, motivating them to keep working toward the goal.
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You anwsered A.
Although different contexts can affect the outcome, research suggests that answer C would yield better results. This is due to the social norm principle. These are unwritten rules or standards of behavior that are considered acceptable and expected within a particular group or society. They guide individuals' behavior and shape their perceptions of what is appropriate or desirable in a given context. 
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You anwsered A.
There is no correct answer here, but most people would be inclined to choose Answer A due to the presence of peer reviews. This is caused by the social proof principle. It defines the tendency for people to look to others for guidance on how to behave or make decisions, particularly in situations where they are uncertain or unfamiliar with the context.