【单选题】

While we may be interested in the possibilities of social harmony and individual fulfillment that may be achieved through nontraditional education, one cannot help being ------- about accepting any such program as a ------- the world’s ills.

A．concerned … warning of
B．cautious … panacea for
C．fastidious … prescription for
D．reticent … renovation of
E、agitated … postscript to