Which of the following sentences is capitalized correctly?
O A. Samuel Langhorne Clemens, known to most by the pen name Mark Twain, became famous in the Nineteenth
century as an American author and humorist.
ОВ.
Samuel Langhorne Clemens, known to most by the Pen Name Mark Twain, became famous in the nineteenth
century as an American author and humorist.
OC.
Samuel Langhorne Clemens, known to most by the pen name Mark Twain, became famous in the nineteenth
century as an American author and humorist.
OD. Samuel Langhorne Clemens, known to most by the pen name Mark Twain, became famous in the nineteenth
century as an American Author and Humorist,