Is the noun factory a concrete or abstract?

The first two chapters of the book scams and swindles are identity theft and auction and ebay frauds. a. scams and swindles should be in quotes because it is the title of a book. b. identify theft should be in quotation marks because it is the title of a book chapter. c. auction and ebay frauds should be in quotation marks because it is the title of a book chapter. d. both b and c select the best answer from the choices provided

Introduction to making a difference: it’s our world, too!

Can someone me with this english question