请选择DCBA0T9}3Q7nWhen there is a fire, we must call__________.'f1},d2M,Z(F7Y
A. 120'f1},d2M,Z(F7Y
B. 119'f1},d2M,Z(F7Y
C. 112'f1},d2M,Z(F7Y
D. 122'f1},d2M,Z(F7Y