such a heavy loss in the earthquake, they got help from all over the world.
A. Suffer
B. Having suffered
C. Suffered
D. To suffer
网友回答
A. Suffer
(答案→)B. Having suffered
C. Suffered
D. To suffer
解析：句意：他们在地震中遭受了如此大的损失，他们收到了来自世界各地的帮助。Suffer 与主语they之间是主动关系，又Suffer的动作发生在动作got之前，因此用现在分词的完成时。故选B。