A、0.0 B、1.0 C、2.0 D、3.0
A、-1≤Re(s)≤1 B、-1<Re(s)<1 C、0≤Re(s)≤1 D、0<Re(s)<1
A、Re(p)<1 B、0<Re(p)<1 C、0<Re(p) D、Re(p)<0