延长诉讼时效为2年的规则是（）。
A.《海牙规则》
B.《维斯比规则》
C.《汉堡规则》
D.《华沙公约》
参考答案：C
We became good friends quickly, ______our life experiences couldn’t have been more different.
A．as long as
B．even though
C．in case
D．as though
