C. is the correct use of "down" as an adverb. "Ricky rolled 'down' the car window to place his order at the coffee shop." Because "down" is used to signify the lowering of an object from an higher position, it is an adverb (adverbs describe verbs). The other options to not require "down" in the sentence in order to make sense. For them, it is a general direction and not part of the verb.
A. What's in a name? That which we call a rose by any other name would smell as sweet. The main conflict in the entire play was the forbidden love between Romeo and Juliet, since their families were sworn enemies with each other.
This is the answer: Some people take their umbrellas out into the rain, even though they are supposed to keep these items out of the rain so that they do not get ruined.