Under EMERGENCY operating conditions the proper valve positions for controlling feed wate to the boiler should be the __________.

A
Auxiliary stop valve fully open and the auxiliary stop check valve used to regulate the amount of flow
B
auxiliary stop-check valve fully open and the auxiliary stop valve used to regulate the amount of flow
C
auxiliary stop and stop-check valves fully open and the feed pump speed used to regulate the amount of flow
D
auxiliary stop-check valve fully open and the auxiliary stop valve regulated by the feedwater regulator
E