Twilight

Twilight is a 2008 American romantic vampire film based ______ Stephenie Meyer’s popular novel of the same name. It is the first film in The Twilight Saga film series. This film focuses on the development of the relationship between Bella Swan and Edward Cullen (a vampire), and the subsequent efforts of Cullen and his family to keep Swan safe ______ a coven of evil vampires.
The project was in development for approximately 3 years ______ Paramount Pictures, during which time a screen adaptation that differed significantly from the novel was written. Principal photography took 44 days and the film was primarily shot in Oregon.
Twilight was theatrically released ______ November 21 2010, grossing over US$392 million worldwide and became the most purchased DVD of the year. The soundtrack was released in the same year. Following the success of the film, New Moon and Eclipse, the next two novels in the series, were produced as films the following year.

Adapted from Wikipedia

Considering the boldfaced adverb in the text, mark the sentence in which the word in italics has the function of an adverb.