Question

--- Which of these two books will you take?
--- I will take ______ in case the trip is boring

1. A.
   all
2. B.
   either
3. C.
   both
4. D.
   neither

Answer 1

C
考查代词。根据上文的two books知道这里应该是both.句意：—这两本书你要带哪一本？
—我都带着以防旅行无聊。