单选题 Given (A)their strong suspicion of inherited authority and their almost infinite faith in an individual"s right to shape his own destiny, Americans have trouble accepting (B)social customs whose provenance is unclear and whose authority (C)they never consented (D).
【正确答案】 D
【答案解析】解析：consented—consented to。句意：美国人非常怀疑传承至今的权威，坚信个人有权决定自己的命运。他们很难接受那些来源不明的、他们永不承认其权威的社会习俗。句中的consent表示“同意，赞同”，是不及物动词，但是whose authority是它的宾语，所以后面要加上介词to，故答案为D。