Which of the Following May Be a Reason Why Household

Which of the following may be a reason why household savings in the U.S.have declined n recent years?

A) Below average growth of the single-adult-household category including households with children) .
B) Above average growth of the single-adult-household category excluding households with children) .
C) Above average growth of the single-adult-household category including households with children) .
D) Below average growth of the single-adult-household category including households with children)
E) None of the above.