单选题 If you have any information regarding the identity of the man ______ left his car parked in the lot overnight, please contact the security department.
A. who B. whom C. whose D. which

【正确答案】 A
【答案解析】[解析] 本题为选择恰当的关系代词的问题。先行词the man表示人，关系从句没有主语，因此主格关系代词who为正确答案。