急求两个阅读理解题的答案,说明原因

急求两个阅读理解题的答案,说明原因
Susan was trying on a black dress her husband had bought her on the morning of the earthquake .It fitted very well .As she was taking it off ,the fifth floor room shook greatly .Susan took her daughter Amy and ran to the door .As she open the door ,the floor opened under their feet and the nine-storey building fell down .The two of them fell into the lowest part of the building .
As the days passed ,Amy began to ask for something to drink .Susan had no water and she was afraid her daughter would die of thirst .Then she remembered a TV programme about a man who was saved by drinking his friends’ flood .She found a piece of broken glass ,cut her finger and give her daughter her blood .Because of the bitter cold ,Susan felt no pain .
On December 14th ,the eighth day of the earthquake ,a small hole was opened near them .Mother and daughter were airlifted to a hospital sixty miles away .
61.The earthquake happened .
A.sixty miles away from Susan’s house
B.when Susan was about to leave the house with her daughter
C.on the morning of December the seventh
D.when Amy wanted to drink some water
62.What was Susan doing when the earthquake suddenly took place
A.She was trying her black dress.
B.She was looking for something to drink.
C.She was trying to run to the door with her daughter .
D.She was taking off a new black dress .