Answer: B. Elected Representatives
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Step-by-step explanation:
Choice A is false. Supreme Court judges are voted by the Senate. So the voters do not directly choose a Supreme Court judge; though indirectly they do vote for their senator, who in turns picks/rejects the candidate judge. So there's effectively a layer of separation.
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Choice B is true. People vote for members of the house of representatives and senators on the national level. On a state level, people can also vote for state representatives, state senators. Finally on a local level, there is the option to vote for mayor, city council member, etc. The list is very extensive.
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Choice C is false. Only members of congress (house and senate) vote on bills that may potentially become a law. Some states offer propositions for voters to choose yes/no over, but it's not entirely the same thing.
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Choice D is false for similar reasoning as choice C. The tax rate is tied to tax laws passed by congress. Congress has the power of the purse, which means they control how the money in the nation is spent as well as how the money is collected (who gets taxed, when, how much, etc).