A、<span style="font-size: 14px; line-height: 20px;">西安谈判</span>
B、<span style="font-size: 14px; line-height: 20px;">重庆谈判</span>
C、<span style="font-size: 14px; line-height: 20px;">南京谈判</span>
D、<span style="font-size: 14px; line-height: 20px;">北平谈判</span>