【题目】All rights reserved. The content above shall not be reprinted _____ without permission, thanks.
A.arbitrarily
B.barely
C.offensively
D.optionally

【答案】A
【解析】考查副词辨析。句意：，以上内容未经允许不准任意重印，谢谢。A. arbitrarily“任意地”；B. barely“勉强地”；C. offensively“不愉快地；讨厌地”；D. optionally“有选择地”。A项符合语境。