以下正确的if语句形式是（  ）。

A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px; TEXT-DECORATION: none">if (x&gt;y &amp;&amp; x!=y);</span>

B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px; TEXT-DECORATION: none">if (x==y) x+=y;</span>

C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">if (x!=y) scanf(&quot;%d&quot;,&amp;x) else scanf(&quot;%d&quot;,&amp;y);</span>

D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px; TEXT-DECORATION: none">if (x&lt;y) {x++;y++;}</span>