题干
Her new book is about a murder mystery ________ on actual murders that took place in Florida several years ago.
A：having been based
B：to be based
C：based
D：having based
答案(点此获取答案解析）
C
国人
也老农“忽儆惊状，似绝不解中华民国为何物者，”但被告知亦为中华民国人时，老茫然恍然，连声“我非革命党，我非中华民国人。”这表明 （ ）