Recent Studies Have Shown That an Infant

Multiple Choice

Recent studies have shown that an infant:

A) cannot tell the difference between her or his mother's voice and a stranger's until about 6 months old
B) can alter his or her sucking pattern to hear his or her mother's voice
C) can tell the difference between her or his mother's voice and a male stranger's but not a female stranger's
D) cannot process speech until he or she begins to talk