Answer choice D says the argument in the stimulus "contains the tacit assumption that residents of neighborhoods should have the right to restrict traffic to their communities." This is not true of the argument in the stimulus.
In fact, the opposite is true. If we go back to the stimulus, the arguer says that "the neighborhood is not a private community, and its streets were built with public funds, and this all drivers have the right to use them whenever they please." If the residents restricted traffic in their neighborhood,that would directly conflict with drivers' rights to use the roads whenever they please. Therefore the author of this argument does not assume, tacitly or otherwise, that residents of a neighborhood have the right to restrict traffic.
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