It means, mans progress (maybe) is mostly driven by his needs and greed for the material things in life.
Explanation:
<em>NHS </em><em> </em><em>CLINICS </em>- 2nd Para
<u>Researchers</u><u> </u><u>in </u><u>Cambridge</u><u> </u>- 3rd Para
just from my own understanding
The answer is D The answer is C because to take the place of a person or something
