A client has a nasogastric tube inserted at the time of abdominal perineal resection with permanent colostomy. This tube will most likely be removed when the client demonstrates which of the following

A．Absence of nausea and vomiting.

B．Absence of stomach drainage for 24 hours.

C．Passage of mucus from the rectum.

D．Passage of flatus and feces from the colostomy.

广东音乐流行于广州市以及珠江三角洲一带的民间器乐乐种。它的前身是粤剧的过场音乐和烘托表演的小曲，主奏乐器为（）、扬琴。

A.古筝

B.高胡

C.唢呐

D.三弦