Correct Answer: Scholarly

Solution : The correct choice is the first option .

Erudite means having or showing great knowledge or learning. Similarly, scholarly is the most appropriate synonym, as it also refers to someone who is knowledgeable and has learned.

The meanings of the other options are as follows:

• Effervescent means bubbly, lively, or enthusiastic, usually referring to a personality or behaviour.
• Energetic means having or showing great energy, vitality, or activity.
• Serene means calm, peaceful, and untroubled.