Depends on which word is italicized. <em>The </em>is a determiner, <em>pink </em>is an adjective, <em>pig </em>is a noun, <em>clapped </em>is a verb, <em>wildly </em>is an adverb.
The question ask to choose among the following choices the determines the part of speech for the italicized word in the sentence and the best answer would be letter E. Verb. I hope you are satisfied with my answer and feel free to ask for more if you have questions and clarifications
Explanation: Cause in you're question it say "would probably NOT be used as support for a proposition to keep a city's public libraries open seven day's a week" and c is saying fewer and fewer are using the libraries which means c would not be used as support for a proposition.