All of the Following Represent Clues to the Cause of a 2-

All of the following represent clues to the cause of a 2- meter high tsunami that struck Japan in 1700 EXCEPT:

A) native American legends describe a quake and tsunami in the Pacific Northwest.
B) large areas of drowned trees in the Pacific Northwest are covered with a thin sand layer.
C) tree ring records from roots indicate temporary submergence of trees between 1699 and 1700.
D) seismic records at that time indicate a massive quake in the Seattle area.