All of the Following Are Sources of Evidence for a Sensitive

Multiple Choice

All of the following are sources of evidence for a sensitive period for language acquisition except that

A) children who experience social isolation in childhood rarely acquire more than a tentative mastery of language.
B) the later someone is exposed to a new language, the more difficult it is for him or her to acquire it.
C) the later someone is exposed to his or her first language, the more difficult it is for him or her to acquire it.
D) young children with significant left-hemisphere damage usually never learn to speak normally.