单选题 We shall take the treasure away to a safe place.
A. clean B. pretty
C. distant D. secure

【正确答案】 D
【答案解析】safe和secure意思相近：安全的。She believes that her position is quite secure．她相信她的岗位是相当稳固的。clean：干净的。pretty：漂亮的。distant：远处的。