A、<span style="FONT-SIZE: 14px; TEXT-DECORATION: none">if(a=b) x++;<br/></span>
B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">if(a=<b) x++</span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">;</span>
C、<span style="FONT-SIZE: 14px; TEXT-DECORATION: none">if(a-b) x++;</span>
D、<span style="FONT-SIZE: 14px; TEXT-DECORATION: none"> if(x) x++;<br/></span>
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