二、 歷屆學測 108&107綜合測驗 ( 6 %) Totem poles in North America are poles or posts  16  with symbols or figures byAboriginal peoples of the Northwest Coast. The totem pole can be grouped into specific categories, depending on its location and the occasion  17  it was carved. Welcome poles weretraditionally placed on village beachfronts to greet visitors arriving by canoe. Inside the homes ofhigh-ranking chiefs is where house poles were found. The family’s history was carefully carvedinto each pole.  18  along the rear or front walls of a house, house poles also helped to supportthe main beam of the roof
【題組】16.
(A) carving
(B) that carved
(C) to carve
(D) carved