A.
module paobiao(cp,reset,pause,clk_1,clk_1k,ms_h,ms_l,s_h,s_l,m_h,m_l);input cp,reset,pause,clk_1,clk_1k;output reg [3:0] ms_h,ms_l,s_h,s_l,m_h,m_l;
B.
module paobiao(cp,reset,pause,ms_h,ms_l,s_h,s_l,m_h,m_l,sel,seg_code);input cp,reset,pause;output reg [3:0] ms_h,ms_l,s_h,s_l,m_h,m_l;output reg [3:0] sel;output reg [7:0] seg_code;
C.
module paobiao(cp,reset,pause,ms_h,ms_l,s_h,s_l,m_h,m_l);input cp,reset,pause;output reg [3:0] ms_h,ms_l,s_h,s_l,m_h,m_l;
D.
module paobiao(cp,reset,pause,sel,seg_code);input cp,reset,pause;output reg [3:0] sel;output reg [7:0] seg_code;