【答案与解析】
本文是一篇说明文。一项新研究着眼于宠物如何通过爱抚、拥抱和亲身陪伴来为人类提供安慰。
28.A 细节理解題。根据第三段“ Different pets were better at providing comfort, some participants insisted. Many said cats weremore relaxing companions than dogs, while others said dogs could be relaxing as long as they werethe right kind of dog,"n]*有些研究对象对于哪种宠物更擅长提供安慰有不同的看法