B, A, C, A (this last one I am not positive about)
Answer:
Some viruses are doctors' inventions.
Newer drugs inventions by the doctors, has really contributed positively on the global economic growth.
They would have a ligature around their legs. One person would put their left leg next to the other person’s right leg and wrap the ligature around the legs to keep them together and act as one leg.
Answer: Look for clues
Explanation: Look for the Main idea helps you find the meaning of the passage.
