[单选题]You have three production databases, HRDB, FINDB, 

AAll the instances, including the ASM instance, are shut down in the ABORT mode

BThe ASM instance is shut down, but the other instances are still running 

CThe ASM instance is still functional, but the other instances are shut down 

DAll the instances, including the ASM instance, are shut down in the IMMEDIATE mode. 

EHRDB, FINDB, and ORGDB instances are shut down in the ABORT mode and the ASM instance is shut down in the IMMEDIATE mode 

FHRDB, FINDB, and ORGDB instances are shut down in the NORMAL mode and the ASM instance is shut down in the IMMEDIATE mode