Which of the Following Accurately Defines Boilerplate

Which of the following accurately defines boilerplate?

A) It refers to sentences and words from old documents that you use in a new document without crediting the original writer as you should.
B) It refers to the creation of original content by a writer and the protection of this content through a copyright statement.
C) It refers to language from a previous document that a writer legitimately includes in a new document.
D) It refers to using someone else's work and passing it off as your own.
E) It refers to the test that writing must pass to ensure that it has not been plagiarized.