A signal D0 is connected to an input of a two-input XOR gate. If we need to let D0 pass through this XOR gate, then ( ).

A、InputalogicvariablesignalontheotherinputofthisXORgate;
B、InputalogiclowsignalontheotherinputofthisXORgate.;
C、InputalogichighsignalontheotherinputofthisXORgate.;
D、LeavetheotherinputofthisXORgateunused.;
E、InputD0signalonbothtwoinputsofthisXORgate.