I just experienced my first earthquake . I ' m at work and it scared the crap out of me . The whole building shook and then we started to sway . Then we all stood in doorways until it was over .
According to the above context, choose the best option to answer the following question.
Question: What may be the reason for them being frightened ?
Options:
A. The earthquake had lasted a long time .
B. The earthquake was intense .
C. None of the above choices .
D. The earthquake was causing much damage .


C