Whenever it would show that USA was in the lead , we would all burst out cheering . On the last 50 m , we were all chanting ' USA ' and getting excited because we were ahead . When we won , it was seriously like an earthquake , everyone was yelling and cheering and screaming .

Q with options: Give answer the following question using evidence from the above passage: Why was the stadium shaking all of a sudden ?
Options:
(a). None of the above choices .;
(b). A minor earthquake hit the area .;
(c). Fans were cheering for Canada .;
(d). Fans were very loud .;
(d).