Why are naturalists inevitably pessimistic in their view Please discuss the above question in relation to the basic principles of literary naturalism.

关于呕吐的治疗，下列哪组选穴是不正确的（）

A.伤食呕吐者，取下脘、璇玑、足三里、腹结

B.痰饮呕吐者，取章门、公孙、中脘、丰隆

C.肝气犯胃者，取上脘、太冲、梁丘、神门

D.外感呕吐者，取中脘、公孙、腹结、章门

E.若用耳针治疗，取胃、肝、交感、神门