请选择ABCD.]-d6~+U,n6h6b/wLucy knew nothing about it ____ her mother told her.,G0X'l7U.W-r*c7h-H-|/E
A. because,G0X'l7U.W-r*c7h-H-|/E
B. until,G0X'l7U.W-r*c7h-H-|/E
C. if,G0X'l7U.W-r*c7h-H-|/E
D. since,G0X'l7U.W-r*c7h-H-|/E