选择正确的选项,使填在下划线处使得程序正确。 `timescale 10ns/1ns module wave1(); parameter CYCLE=10; reg wave; initial wave=0; #(CYCLE/2) wave=1; #(CYCLE/2) wave=0; #(CYCLE/2) wave=1; #(CYCLE/2) wave=0; #(CYCLE/2) wave=1; #(CYCLE/2) $stop; end initial $monitor($time,,,"wave=%b",wave); endmodule