Which of the following is NOT an example for the social power of language?
A、“我宣布北京第29届奥林匹克运动会开幕！”（前国家主席胡锦涛宣布2008年北京奥运会开幕）
B、Naming taboo is also found in an aboriginal tribe in New Zealand.
C、 中队长对士兵下令：“撤退！”他的命令被无条件地坚决执行。
D、“I now pronounce you husband and wife.” (By the Priest at a wedding ceremony)