29．North Korea has always sought for a direct talk with the US,without China________ . involved
问题描述：
29．North Korea has always sought for a direct talk with the US,without China________ . involved
29．North Korea has always sought for a direct talk with the US,without China________ .
A．involvingB．to involveC．involvedD．be involved
答
选C
china后面省略了which is