In what way does the word however function in this sentence from the passage?

A)It allows the reader to repeat an earlier argument made in the passage in a
different way so as not to lose the reader's interest

B)It changes the direction of the author's argument from criticizing the use of
cell phones while driving to praising that same practice

C)It changes the focus of the passage from the dangers of cell phone use to
other types of dangers and distractions that drivers face while on the road

D)It provides a transition to a more specific detail about the dangers of cell
phones and driving namely, that calling or talking on the cell phone while
driving are equally dangerous