Passengers will likely face the usual struggle to get their tickets during festivals, at

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A. exactly
B. obviously
C. actually
(答案→)D. particularly
解析：考查副词辨析。句意：乘客可能会面临节日期间非常费力地拿到他们的票，特别是在火车站，在那里长途的预订。exactly确切地；obviously显然地；actually确实地；particularly特别地，尤其地。如：
I often do absent-minded things, particularly when I'm worried.我常做些心不在焉的事，尤其是在我焦虑不安时。