In the United States, According to Smith, Which of the Following

In the United States, according to Smith, which of the following is true?

A) Over 80% of the people claim a religious identity, over 90% believe in God, and about 2% call themselves atheists.
B) Approximately 50 % of the people claim a religious identity, about the same amount believes in God, but atheism has grown to about 10% of the population.
C) Almost all Americans claim a religious identity AND a belief in God, but just 2% call themselves atheists.
D) People who claim a religious identity has dipped to an all-time low of 25%, yet 90% still believe in God, and about 10% claim to be atheists.