What Commonly Causes Severe Damage in Single-Story Frame (Wood Construction)houses

Multiple Choice

What commonly causes severe damage in single-story frame (wood construction) houses in an earthquake?

A) They bounce up and down so much that the internal plaster or sheetrock crumbles.
B) They bounce up and down so much that the nails pull out of the wood supports.
C) The shaking shatters the windows, so the glass cuts up everything.
D) They shake off their foundations.
E) They totally collapse.