Answer:
The sentence "Kai spends too much time surfing the Internet" is in the indicative mood.
Step-by-step explanation:
The indicative mood is used to make statements or ask questions, indicating facts, beliefs, or opinions. In this sentence, the speaker is stating a fact about Kai's behavior, expressing their observation that Kai spends excessive time surfing the Internet. The sentence does not give a command (imperative mood) or express a hypothetical or unreal condition (subjunctive mood), but rather presents a straightforward statement of reality.