____all the accomplished all the procedures,they are determined to repeat the experiment and ensure that thry will be su
问题描述：
____all the accomplished all the procedures,they are determined to repeat the experiment and ensure that thry will be succesful in it.
A.Not accomplished B.Not been accomplished
C.Not accomplishing D.Having not accomplished
答
C
原题貌似在all the accomplished 和 all the procedures之间少了个in
非谓语的否定,结构的否定,首先排除BD
省略的主语是他们,所以,是主谓关系
由于在所有的程序里,没有达到很成熟,他们决心重新试验,确保质量非谓语的否定中，having done是不是就没有否定呢？还有什么非谓语形式没有否定呢？非谓语的否定，是结构的否定，就是not在非谓语的结构之前not having donenot to donot doing