Bergdahl appears to be answering questions from someone off-camera, who also seems to prompt him about what to say.

VOA: standard.2009.07.20

ArgC How many words were typed at the prompt, by default, Arg C, should always be at least one.

提示符那里默认要输入多少单词，至少需要一个单词。

哈佛公开课 - 计算机科学课程节选

And I get an answer of 3, but it seems to be garbled with my prompt.

我得到了答案3，但是它可能,误解了我的意图。

哈佛公开课 - 计算机科学课程节选