Correct Answer: Indifferent

Solution : The second option is the correct answer.

"Inquisitive" refers to a person who is eager to learn, curious, or inquiring. On the other hand, "indifferent" denotes a lack of interest, concern, or curiosity.

The meanings of other options are as follows:

• Innocent means free from guilt or wrongdoing.
• Curious means eager to know or learn.
• Studious means devoted to learning or studying.

Therefore, the correct answer is indifferent.