Here is just an example:
How gracious of you to accept my apology, after losing the bag that contained the present.
I feel like the answer is A.
Answer:
Choose a random word and find the definition
Explanation:
It says to find a word and write the definition so just use a random word in the passage.
In experimental physics, reverberation produces echo and thus makes undesirable sound. An echo is a sound reflected off of a surface. In a big hall, it interferes with the actual sound. It gives confusion when people are having a conversation.