A.The current student-teacher ratio at Vargonia’s government-funded schools is higher than it was during the most recent period of economic recession.
B.During recent periods when the Vargonian economy has been strong, almost 25 percent of Vargonian children have attended privately funded schools, many of which charge substantial fees.
C. Nearly 20 percent more teachers are currently employed in Vargonia’s government-funded schools than had been employed in those schools in the period before the last economic recession.
D.Teachers in Vargonia’s government-funded schools are well paid relative to teachers in most privately funded schools in Vargonia, many of which rely heavily on part-time teachers.
E.During the last economic recession in Vargonia, the government permanently closed a number of the schools that it had funded.

答案是B。我选的是C。
迷惑中，求助各位NN啦~