A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">a>=10 or a<=0 </span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px"> a>=0|a<=10</span>
C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">a>=10 &&a<=0</span>
D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px; TEXT-DECORATION: none">a>=10 || a<=0</span>