Which of the following statements about American poetry is NOT true?
A、Anne Bradstreet was a woman poet, regarded as one of the first recorded poets of North America.
B、Ralph Waldo Emerson, Edgar Allan Poe, and Henry David Thoreau tended to seek the distinctive American voice in their writings.
C、American poetry started after the American Independence in 1776.
D、Walt Whitman and Emily Dickinson influenced modern American poetry in the 20th century greatly.