Which excerpt from the Conclusion in "Dovercourt Camp" best supports the inference that the Conclusion is written by someone who does not work at the camp?
A. "Great efforts are made to stress the future hopes of the children and so help them to forget the past."
B. "The arrangements for heating, clothing, sanitation and health were very good."
C. "They seem wonderfully happy, considering all they had been through."
D. "The camp leaders are very keen, full of human kindness, vitality and emanating a cheerful atmosphere."
Anyone who knows the answer to this, please help!