Please answer the following question: I want to test the ability of students to read a passage and answer questions about it. Could you please come up with a good question for the passage "The BeiDou-2 system began offering services for the Asia-Pacific region in December 2012. At this time, the system could provide positioning data between longitude 55E to 180E and from latitude 55S to 55N."?
A:
In what continent did the Bei-Dou2 system begin offering coverage in December 2012?