can play a big\nwhich choice completes the text with the most logical and precise word or pl\na…

Brief Explanations:

The text mentions a "well - executed marketing campaign" which is related to promoting a book. "Publicity" refers to the attention or promotion that something (like a book) gets through media and marketing efforts. "Practicality" (usefulness in a practical sense) is not relevant to marketing a book. "Originality" (newness or uniqueness) is about the content of the book, not the marketing. "Complexity" (the state of being complex) is also not related to marketing.

Answer:

B. publicity