Harry Potter and the Order of the Phoenix, J.K. Rowling's great adventure story, is set to
Daniel Radcliffe, Rupert Grint and Emma Watson again play their roles as Harry, Ron and Herminone, while British director David Yates is to guide the adventure. Rowling released (推出) the sixth book in the series (系列), Harry Potter and the Half-Blood Prince, last July, while the seventh and final book is expected by the end of the year.
Harry Potter and the Order of the Phoenix is expected for a 2007 release, but there is no word yet whether it will be a summer or holiday movie.
How many books about Harry Potter had Rowling finished writing in this text?
A.Four.
B.Five.
C.Six.
D.Seven.