What is the connotative meaning of the word childlike in this sentence?

liam asked his new boss questions about the job with childlike interest.

displaying a lack of maturity

acting silly or juvenile

showing uninhibited curiosity

revealing detrimental ignorance

The answer is C: showing uninhibited curiosity.

 Childlike means to have qualities that are typical of a child (innocence, trust, simplicity etc). Far from displaying a lack of maturity, acting silly or juvenile, much less revealing detrimental ignorance, Liam manifests genuine effort to understand more about the job, and he does that by asking questions that reflect his dedication and not an ulterior motive.

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for the pts back! merry x-mas!