The correct answer is B.
The Church of Jesus Christ of Latter-day Saints or Mormon Church is a Christian church considered by its members to be the restoration of the original church founded by Jesus Christ.
This church was founded by Joseph Smith. He was an American religious leader and founder of Mormonism. Among Mormons, he is regarded as as a prophet and his most famous work is 'The book of Mormons'.
The Church of Jesus Christ of Latter-day Saints has over 16 million members worldwide.