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知识点：数据结构 1/10（单选/必答） Assume that a ch...

Question

知识点：数据结构 1/10（单选/必答）
Assume that a character stream is using Huffman encoding with the following letter frequency table.
a: 40%, b:15%, c:18%, d:22%, r: 5%
What is the bit length of string “abracadabra”?

A. 20

B. 22

C. 24

D. 26

E. 28