【单选题】When we evaluate various sources, which one of the following might NOT be reliable?
A.
Sources which are those of experts in the field because those articles are reviewed by other experts before being published
B.
Sources coming from prestige publishers and government which usually have the resources and expertise to provide official information
C.
Sources from well-known and respected organization which have the resources and expertise that allow them to provide reliable information
D.
Web-based sources because there is no way of knowing whether the information is accurate or not if an author or organization is not defined, or if there is no date.