上市公司并购重组项目的财务顾问主办人发生变化的，财务顾问应当在(    )个工作日内向中国证监会报告。

A、<p><span style="font-family: \'Microsoft YaHei\'; font-size: 15px; ">4</span></p>

B、<p><span style="font-family: \'Microsoft YaHei\'; font-size: 15px; ">3</span></p>

C、<p><span style="font-family: \'Microsoft YaHei\'; font-size: 15px; ">5</span></p>

D、<p><span style="font-family: Calibri, sans-serif; font-size: 15px; ">2</span></p>

A、<p><span style="font-family: 'Microsoft YaHei'; font-size: 15px; ">4</span></p>

B、<p><span style="font-family: 'Microsoft YaHei'; font-size: 15px; ">3</span></p>

C、<p><span style="font-family: 'Microsoft YaHei'; font-size: 15px; ">5</span></p>