Which of the Following Would Be Most Likely to Appear

Multiple Choice

Which of the following would be most likely to appear in a 2-year-old's spontaneous conversation?

A) what, where, and who questions because these all have concrete referents
B) why, when, and how questions because the referents are abstract
C) use of all the wh- question words, but incorrectly
D) little use of wh- question words at all at this age