Which statement about president lyndon johnson's upbringing is true?

a. he grew up with racist attitudes because his father was a member of the ku klux klan.

b. as a child, he showed no interest in politics and didn't run for office until he was in his 40s.

c. as a young man, he learned about poverty by teaching poor mexican american children.

d. he was born into a wealthy dallas family that paid for his education at harvard.