Evidently, the Wild Boy of Aveyron Did Not Learn Language

Multiple Choice

Evidently, the Wild Boy of Aveyron did not learn language effectively because:

A) he did not have the LAD needed to learn language.
B) he refused to communicate with other people.
C) he did not live in an environment that exposed him to normal human language.
D) genetic deficiencies prevented him from absorbing the language he heard around him.