Question

Our teacher entered the classroom, __________

1. A.
   a book in hand
2. B.
   book in hand
3. C.
   book in his hand
4. D.
   a book in hands

Answer 1

B
考察复合结构。with a book in his hand=" a" book in hand;句意：我们的老师进入教室，手里拿着书。