接上题,为了比较设置的闹钟时间与闹钟当前时间是否相等,编写了一个8位比较器:module _8bitcomparator(equ,a,b);input [7:0] a,b;output equ;assign equ=(a==b);endmodule需要下面( )选项的代码才能实现闹钟设置时间和当前时间是否相等的判断。 A. wire hour_equ,min_equ; wire time_equ; _8bitcomparator u3(hour_equ,set_hour_value, Hour ); _8bitcomparator u4(min_equ ,set_min_value , Minute); assign time_equ=(hour_equ && min_equ); B. wire hour_equ,min_equ; wire time_equ; _8bitcomparator u3(Hour,set_hour_value, hour_equ ); _8bitcomparator u4(Minute ,set_min_value ,min_equ ); assign time_equ=(hour_equ && min_equ); C. wire hour_equ,min_equ; wire time_equ; _8bitcomparator u3(Hour,set_hour_value, hour_equ ); _8bitcomparator u4(Minute ,set_min_value ,min_equ ); assign time_equ=( Hour && minute); D. wire hour_equ,min_equ; wire time_equ; assign hour_equ=( (set_hour_value == Hour )?1'b1:1'b0); assign min _equ=( (set_minute_value == Minute)?1'b1:1'b0); assign time_equ=(hour_equ && min_equ);