A. building tables,
because I'm not sure how that will exactly help you in studying. However, in my opinion, the other three seem able to work.
Sorry if this answer is kind of late, but this is the first time in ages since I've logged on. Have a good night and life though! :3
In the year 2020, there was a massive outbreak of AIDS in South America. A brilliant doctor from the United States decided to go to Rio De Janeiro to investigate the situation. He found out that two million inhabitants were diagnosed with AIDS. He began experimenting on different patients to find the perfect serum. The case was so sever that he got the disease because his immune system got low due to his unending research. Prior to his death, he created a powerful serum from several organic herbs from the Amazon and infused it with the patients. Luckily, the serum cured the patients and the media gave recognition to the scientist who save the society of Brazil.
The answer would be D i believe
