A、Terrorists. B、Migrants. C、Veterans. D、Europeans. B由新闻可知，欧洲委员会正考虑制定新计划来让欧盟各国更公平地分担移民负担。故答案选B。

(3) European Commission is considering plans to share the burden of migrants more fairly across the EU. The European Commission President Donald Tusk has warned that the EU must bring the system under control within two months. Ben Wright reports. (4) "Last year, more than a million migrants and refugees poured into Europe, creating a crisis that shows no sign of abating. Under what’s known as the Dublin System, new arrivals have to register for asylum in the first EU country in which they arrive. That system broke down last year and prompted some countries to reinstate temporary border controls within the passport free Schengen area. The European Commission is considering a new system, which aims to more fairly distribute migrants across the continent."
3. Which group is related to this news?
4. How many migrants and refugees poured into Europe last year?