题目内容：
【题目描述】1. It is suggested that the project ______ until all the preparations have been made.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
A. would start B. should start
C. not to be started D. not be started
| 【我提交的答案】：C |
| 【参考答案与解析】： 正确答案：D |
答案分析：
【我的疑问】（如下，请求专家帮助解答）
suggeste not to do sth?what's different between C & D?
参考答案：