In the sentence "Stopping their slide into violent chaos requires a huge effort to provide more legal opportunities for young men", the italicized part grammatically functions as ______.

A．America’s fiscal profile has been worsened steadily over the past decade
B．America’s fiscal profile has increased steadily over the past decade
C．the gap between the Republican and Democratic parties over how to address the problem remains wide
D．congressional negotiations will reach agreement on a fiscal strategy until after the 2012 presidential elections

A．will be built on the plain of the western state of Maharashtra
B．is made up of seven reactors
C．will elevate water temperatures
D．will destroy all species