Often a book is left in a place (65) _____ is relevant to its title or content: Agatha Christie's Murder on the Orient Express on a train, for example, or an archeology book in a museum.
Often a book is left in a place (65) _____ is relevant to its title or content: Agatha Christie's Murder on the Orient Express on a train, for example, or an archeology book in a museum.
A. what
B. which
C. who
D. where