Answer:
B). Publication page.
Explanation:
A literary text consists of a number of sources that provide various information to the readers regarding the work like title page, index, bibliography, title page, etc. with each having a distinct role(information) to play(display).
As per the question, 'publication page' is characterized as the information source that presents the significant details regarding the publication of the book like the information about the copyright of the book and legal disclaimers along with the edition number. This page is primarily included to establish/claim the legal right of the author over the book and inform the readers about the same. Thus, option B is the correct answer.