C. Just had this question myself
Answer: b
Explanation:
the other doctor is an expert and backed him up
I believe the answer is: D.Plant
In latin, the word boton is associated with many form of plants, such as stem or Flowers.This is why When integrated with English words, boton is associated with various plants that could be found in the garden ( especially those that is used for cultivation or medicine)
I would disagree because lots of people need assistance like the elderly, disabled people and children...universal means like world wide.
