单项选择题

A.SELECT*FROMcustomersWHEREinserrt_date="01-JAN-19"
B.SELECT*FROMcustomersWHEREinserrt_date=DATE"2019-01-01"
C.SELECT*FROMcustomersWHERETO_CHAR(customer_id)="0001"
D.SELECT*FROMcustomersWHEREcustomer_id=0001
E.SELECT*FROMcustomersWHEREcustomer_id="0001"