Therearesomeseeminglyinsignificantmattersthat,when

问题详情：

There are some seemingly insignificant matters that, when ____ in time, can become

bigger ones later on.

A. not having been dealt with          B. not being dealt with

C. not to be dealt with                      D. not dealt with

【回答】

D

知识点：非谓语动词

题型：选择题