Although not always visible, approximately of the Moon's surface is lit up by the Sun. A) one third
B) half
C) two thirds
D) one quarter

the answer would most likely be c, because if it's a comical piece of information, it may likely not be true, if it's a site that allows anybody to edit the content, it could mean a five year old is typing the info, and if it's a tv show produced by a celeb, it may have a biased opinion.