"The Lost Generation" which Gertrude Stein used to describe such writers as Dos Passos, Ernest Hemingway and F. S. Fitzgerald refers to the ______.

A．Boston
B．Philadelphia
C．New York
D．Providence

A．familiar legislation regarding political activity
B．the experiences that all adolescents share
C．a society's general sense of its own political activity
D．a society's willingness to resolve political tensions