A、<p><span style="font-size:14px;font-family:宋体">欧盟；母国</span></p>
B、<p><span style="font-size:14px;font-family:宋体">母国；欧盟</span></p>
C、<p><span style="font-size:14px;font-family:宋体">母国；东道国</span></p>
D、<p><span style="font-size:14px;font-family:宋体">东道国；母国</span></p>