[单选题]A、B、C、D中有偶数个1则Y为1，对应的逻辑表达式为
（）。
A.Style="font-size:20px;">Class="textarea"><textarea
Data-cke-editable="1"
Contenteditable="false"></textarea><var
Mathquill-command-id="4">F</var>Class="binary-operator"
Mathquill-command-id="5">=Class="错误n-leafoverline"
Mathquill-command-id="6"
Mathquill-block-id="7"><var
Mathquill-command-id="9">A</var>Class="text"mathquill-command-id="14"
Mathquill-block-id="15">Mathquill-command-id="16">⊕<var
Mathquill-command-id="10">B</var>Class="text"mathquill-command-id="19"
Mathquill-block-id="20">Mathquill-command-id="21">⊕<var
Mathquill-command-id="11">C</var>Class="text"mathquill-command-id="24"
Mathquill-block-id="25">Mathquill-command-id="26">⊕<var
Mathquill-command-id="12">D</var></span
>

B.Style="font-size:20px;">Class="textarea"><textarea
Data-cke-editable="1"
Contenteditable="false"></textarea><var
Mathquill-command-id="4">F</var>Class="binary-operator"
Mathquill-command-id="5">=<var
Mathquill-command-id="6">A</var>Class="text"mathquill-command-id="11"
Mathquill-block-id="12">Mathquill-command-id="13">⊕<var
Mathquill-command-id="7">B</var>Class="text"mathquill-command-id="16"
Mathquill-block-id="17">Mathquill-command-id="18">⊕<var
Mathquill-command-id="8">C</var>Class="text"mathquill-command-id="21"
Mathquill-block-id="22">Mathquill-command-id="23">⊕<var
Mathquill-command-id="9">D</var>&
Nbsp;
C.Style="font-size:20px;">Class="textarea"><textarea
Data-cke-editable="1"
Contenteditable="false"></textarea><var
Mathquill-command-id="4">F</var>Class="binary-operator"
Mathquill-command-id="5">=<var
Mathquill-command-id="6">A</var>Class="binary-operator"
Mathquill-command-id="7">+<var
Mathquill-command-id="8">B</var>Class="binary-operator"
Mathquill-command-id="9">+<var
Mathquill-command-id="10">C</var>Class="binary-operator"
Mathquill-command-id="11">+<var
Mathquill-command-id="12">D</var>

D.Style="font-size:20px;">Class="textarea"><textarea
Data-cke-editable="1"
Contenteditable="false"></textarea><var
Mathquill-command-id="4">F</var>Class="binary-operator"
Mathquill-command-id="7">=<var
Mathquill-command-id="8">A</var><var
Mathquill-command-id="9">B</var><var
Mathquill-command-id="10">C</var><var
Mathquill-command-id="11">D</var>