46. What type of language feature is NOT mentioned in the passage?
(A) Sound pattern.
(B) Spelling of words.
(C) Selection of words.
(D) Grammatical pattern.
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統計: A(83), B(20), C(17), D(11), E(0) #1617041
統計: A(83), B(20), C(17), D(11), E(0) #1617041