Which Statement Accurately Summarizes the Results of Studies Comparing Tool

Multiple Choice

Which statement accurately summarizes the results of studies comparing tool use in 2-year-old children and chimpanzees who both watched a human model using a tool either efficiently or inefficiently?

A) Only the toddlers learned tool use by observation.
B) Both the toddlers and the chimpanzees learned tool use,but all participants were markedly inefficient.
C) Chimpanzees who watched an efficient human model outperformed toddlers who watched an inefficient human model.
D) Toddlers who watched an efficient human model outperformed chimpanzees who also watched an efficient human model.