Answer:
possibly just depending on the film or book
Blogs are not reviewed unlike other news sources. Bloggers simply speak their mind and take on an issue. While what they say may be supported by facts, we can never be sure of such. It is therefore recommend to refrain from using blog sources, unless these are from certain credible projects and programs and the alike. Thus, B may be the best answer.
William Blake was 70 when he died
