Which of the Following Statements About Children's Questions Is True

Which of the following statements about children's questions is true?

A) With age, preschoolers increasingly ask about function, activity, state, and theory of mind.
B) At every age between 1 and 5 years, non-information-seeking questions are more often used than information-seeking questions.
C) Children do not begin asking questions until they have the vocabulary to formulate sentences.
D) Inquisitive children are more often merely clamoring for attention than seeking real answers to their questions.