Click on the book to read the selection on egypt, then answer the question.
choose the clincher sentence from this selection.

i believe the answer is a

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.

i think it's b