游戏运营活动:高手请进！

来源：百度文库 编辑：神马品牌网 时间：2024/05/31 13:43:38
___D___a satisfactory answer, so he had to write to them again.
A.As he hadn't received B.Not having received
C.Having not received D.He hadn't received
Why?
我的答案是正确答案!

C，分词短语作原因状语．

高手请进 高手请进 高手请进 高手请进 高手请进 高手请进 高手请进! 高手请进！！！！！！！！！！ 高手请进 高手请进~