6. After realizing he had made a mistake, Mark offered a sincere _____ to Jane for his rude remarks.
(A) placement
(B) apology
(C) operation
(D) request
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統計: A(0), B(73), C(4), D(2), E(0) #3647466
統計: A(0), B(73), C(4), D(2), E(0) #3647466