<span>An imperative sentence is to command as a declarative sentence is to make a statement as of a fact for example The sky is blue or The traffic is heavy or The population is growing.</span>
Answer: Its C
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.
The economic and social disruption caused by the pandemic is devastating: tens of millions of people are at risk of falling into extreme poverty, while the number of undernourished people, currently estimated at nearly 690 million, could increase by up to 132 million by the end of the year.