问题

______ that many south-east Asian countries suffered a lot.
A:So strong the Super Typhoon Haiyan became
B:ecame strong
C:Strong became so the Super Typhoon Haiyan
D:So strong did the Super Typhoon Haiyan become
B:ecame strong
C:Strong became so the Super Typhoon Haiyan
D:So strong did the Super Typhoon Haiyan become
正确答案是: