He felt tired after a whole day's work.No sooner________to bed than he fell asleep.[ ]

A．he had gone  

B．does he go

C．had he gone  

D．he did

EEPROM是电可擦除可编程只读存储器，断电后其中保存的信息不会丢失，可以用电信号来修改其内容，并且允许以字节作为最小修改单位。