单选题 ______ enough preparations, we decided to put off the meeting.
A. Having not make B. Not having made C. Not made D. Making not

【正确答案】 B
【答案解析】本题考查动词的用法。两个分句之间没有并列连词，不构成并列句，所以是伴随状态。主语是we，动词make，应用主动；句意判断，应用完成时；否定词放句首。该句意为：没有作足准备，我们决定推迟会议。