If you have difficulty understanding the meaning of speech because of brain damage,where is the damage most likely to be located

A)  Broca's area 
B)  corpus callosum 
C)  pituitary gland 
D)  Wernicke's area

Demosthenes stuttered and Theodore Roosevelt was sickly - two good examples of

A) famous but inferior leaders.
B) a depressive complex.
C) overcoming organic inferiority.
D) a superiority complex.

At which age to infants start paying attention to vowel sounds?

A) 3 months
B) 6 months
C) 9 months
D) 12 months