69. What is the primary purpose of the text?
(A) to criticize poor listening habits
(B) to describe various levels of listening
(C) to teach how to listen empathetically
(D) to provide examples of non-verbal communication
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統計: A(2), B(85), C(3), D(4), E(0) #3271961
統計: A(2), B(85), C(3), D(4), E(0) #3271961