单选题 The writer seems to______between approving of Collin's actions and finding them disgusting.
【正确答案】 C
【答案解析】解析：动词词组辨析。句意为：作家似乎在赞成考林的行为和不齿这些行为之间游移不定。选项中只有vacillate有“踌躇，犹豫，游移不定”的意思。故答案为C。