Correct Answer: eagerly

Solution : The correct choice is the first option .

The word awaited suggests that people are looking forward to the release of the book. The word eagerly means enthusiasm or excitement, which fits the context of the sentence.

The meanings of the other options are as follows:

• Deftly means in a skilful or quick way.
• Badly means in a harmful or bad way.
• Slowly means in a gradual manner.

Therefore, the complete sentence is: His autobiography will be one of the most eagerly awaited books.