I think it’s D. Knowledgeable
The answer is hyperactive.
The word hyperactive refers to extremely active or abnormally active. Hyperactive is the adjective form of hyperaction. Hyperactively is the adverb form. The work inactive refers to being not engaged or not working while the word reactive refers to the acting in response to a situation.
Answer: B. It causes the main character to act in a machinelike way.
