10. A good business letter is simple and straightforward without being simplistic or ____.
(A) patronizing
(B) palpable
(C) panoptic
(D) panoramic
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統計: A(22), B(8), C(10), D(7), E(0) #3237229
統計: A(22), B(8), C(10), D(7), E(0) #3237229