Marie Curie, a brilliant physicist and chemist, was born in Warsaw, Poland, on November 7, 1867. She moved to Paris in 1891 to study at the Sorbonne. In 1898, she and her husband Pierre discovered polonium and radium. Tragically, Pierre died in 1906. Marie continued her groundbreaking work and received her second Nobel Prize in 1911. She passed away on July 4, 1934. According to the text, when did Marie Curie discover polonium and radium?
A) November 7, 1867