Select the most appropriate option to fill in the blank no. 10.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. dairy.
The passage talks about the castles and their relation to history as they tell us about historical details of ancient times.
As the previous sentences talk about the messages and his thoughts, emotions, etc, so, the word diary should be used in the last filler.