simple answer: yes
I would explain but there would be paragraphs
but I hope this helps (:
A) people lost their jobs because of new technology. If anything people would gain jobs more than they would lose them because of a technology that technically talks to you. It just makes no sense to lose your job because of a radio.
The best option from the list would be that "<span>d. Many people moved from farms and small towns to cities to find employment in textile factories," since there were more jobs with relatively higher pay in these areas. </span>