单项选择题

14 A Huffman tree constructed with the data set {4,5,6,7,10,12,18} as the leaf node weights, and its weighted path length is ().

A.155
B.160
C.165
D.170
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单项选择题

细粒棘球蚴病的典型影像学表现()

A.环征
B.飘带征
C.灯泡征
D.牛眼征
E.双管征