单选题 We made plans for a visit, but ______ difficulties with ear prevented it.
A. subordinate B. succeed C. successive D. subsequent

【正确答案】 D
【答案解析】subsequent随后的,后来的。句意:我们制定了出访计划,但由于后来车子出了毛病,未能出访。subordinate次要的,从属的;succeed成功,接替;successive相继的,接连的。