Analysis:
The question asks which reader participated in activities that directly aided animals, and involved different species.
Insight: Find accounts of volunteering or actively helping animals, specifying multiple species.
Answer:
- Reader B describes spending four weeks 'helping at a veterinary practice with African Conservation Experience' and mentions working with 'lion, cheetah, sable antelope, elephant and buffalo.' This fits the description of being involved in activities designed to help various types of animals directly.
Answer: B