In a Change to Immigration Policy During 2012, "People Younger

In a change to immigration policy during 2012, "people younger than 30 who came to the United States before the age of 16, pose no criminal or security threat, and were successful students or served in the military can get a two-year deferral from deportation", then-Homeland Security Secretary Janet Napolitano said, according to CNN, 06/16/2012. If many of these immigrants had previously been afraid to work, now as a result of being able to work legally

A) both the short-run and long-run aggregate supply curves shift rightward.
B) only the long-run aggregate supply curve shifts rightward.
C) only the short-run aggregate supply curve shifts rightward.
D) neither the short-run nor the long-run supply curve shifts.