Fill in the blanks with the most appropriate option:-

Imagine my ______ when I thought the president of the company, a waiter .!

embarrassment

The correct option to fill in the blanks is embarrassment.

The sentence "Imagine my embarrassment when I thought the president of the company, a waiter .!" means that the speaker was very embarrassed when they realized that they had mistaken the president of the company for a waiter. The other options are not appropriate because they do not convey the same meaning.

• The word "indifference" means a lack of interest or concern. This does not make sense in the context of the sentence, as the speaker was clearly very interested in the situation.
• The word "anger" means a strong feeling of displeasure or hostility. This does not make sense in the context of the sentence, as the speaker was not angry at the president of the company.
• The word "rapture" means a state of great excitement or delight. This does not make sense in the context of the sentence, as the speaker was not delighted to have mistaken the president of the company for a waiter.