Answer:
b. Occam's Razor
Explanation:
According to my research on different theories of communication, I can say that based on the information provided within the question this explanation is consistent with the concept of Occam's Razor. This concept states that out of two different explanations, the simpler one is usually the correct explanation. Since parents guiding the hands of the children to communicate things is the simpler explanation, then according to Occam's Razor it is also the correct explanation.
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