单项选择题

A.IHE=“0”,ISE=“0”,IHB=“1”,ISB=“0”
B.IHE=“0”,ISE=“0”,IHB=“0”,ISB=“1”
C.IHE=“0”,ISE=“1”,IHB=“1”,ISB=“0”
D.IHE=“0”,ISE=“1”,IHB=“0”,ISB=“1”