单项选择题
A.标准逻辑元件 B.FPGA C.OPAMP D.PLD
A.Programmable Array Logic，PAL B.Complex Programmable Logic Device，CPLD C.Field Programmable Gate Array，FPGA D.Light Emitting Diode，LED
A.Programmable ArrayLogic，PAL B.Complex Programmable Logic Device，CPLD C.Field Programmable Gate Array，FPGA D.Light Emitting Diode，LED