合同一方当事人的法人合并后，原法定代表人签订的合同（  ）。

A、<span style="FONT-FAMILY: '新宋体'; FONT-SIZE: 12pt; mso-spacerun: 'yes'">无效</span>

B、<span style="FONT-FAMILY: '新宋体'; FONT-SIZE: 12pt; mso-spacerun: 'yes'">变更</span>

C、<span style="FONT-FAMILY: '新宋体'; FONT-SIZE: 12pt; mso-spacerun: 'yes'">有效</span><span style="FONT-FAMILY: '新宋体'; FONT-SIZE: 12pt; mso-spacerun: 'yes'"></span>

D、<span style="FONT-FAMILY: '新宋体'; FONT-SIZE: 12pt; mso-spacerun: 'yes'">终止</span><span style="FONT-FAMILY: '新宋体'; FONT-SIZE: 12pt; mso-spacerun: 'yes'"><p></p></span> <!--EndFragment-->

A、<span style="FONT-FAMILY: \'新宋体\'; FONT-SIZE: 12pt; mso-spacerun: \'yes\'">无效</span>

B、<span style="FONT-FAMILY: \'新宋体\'; FONT-SIZE: 12pt; mso-spacerun: \'yes\'">变更</span>

C、<span style="FONT-FAMILY: \'新宋体\'; FONT-SIZE: 12pt; mso-spacerun: \'yes\'">有效</span><span style="FONT-FAMILY: \'新宋体\'; FONT-SIZE: 12pt; mso-spacerun: \'yes\'"></span>

D、<span style="FONT-FAMILY: \'新宋体\'; FONT-SIZE: 12pt; mso-spacerun: \'yes\'">终止</span><span style="FONT-FAMILY: \'新宋体\'; FONT-SIZE: 12pt; mso-spacerun: \'yes\'"><p></p></span> <!--EndFragment-->