29. Most breast changes are ________ , or non-cancerous.
(A) worse
(B) adverse
(C) harmful
(D) benign
(E) ambivalent
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統計: A(0), B(0), C(3), D(39), E(0) #3081449
統計: A(0), B(0), C(3), D(39), E(0) #3081449