Mark has a blog in which he reviews modern books and also posts his original stories. Mark can_A__because it is allowed under_B_
__. A (scan and post any book for his readers to view, use sizeable portions from any book in his originals stories, or use quotes from any book in his review)
Mark can <u>use quotes from any book in his review</u> because it is allowed under <u>fair use</u>
Fair use allows for the critique of art but does not allow for large chunks of a book to be copied. Fair use also applies to motion picture media, as long as significant portions of the movie is not shown (but rather short clips instead).