A. they gave us
A.
B. We were
B.
C. grateful for
C.
D. a book
D.
Correct Answer: D
সঠিক উত্তর: D
Explanation
ব্যাখ্যা
In the given sentence, the use of the article 'a' is incorrect.
In this context, the article 'the' should be used because it refers to a specific book that was given to 'us'.