A.
Hook is as the name suggests an attention grabber, which in this case the baby boomers being outnumbered by the infamous millennials.
The core of the sun is so hot and there is so much pressure because something called nuclear fusion takes place. hydrogen is changed to helium. Nuclear fusion creates heat and light
Answer:
C. It turns out that workers will have greater employment opportunities if their occupation undergoes some degree of computer automation.
Explanation:
Many people fear automation, thinking that computers are taking over tasks performed by workers and that they could lead to unemployment (as stated in options A and D). But, according to James Bessen, that is incorrect. In the given paragraph he explicitly says that it turns out that workers will have greater employment opportunities if their occupation undergoes some degree of computer automation. That's good news about computer automation (option B is incorrect because this paragraph tells us about good, not bad news).
Thus, option C is the correct one.