For Whom the Bell Tolls clearly represents a new beginning in Emest Hemingway's career as writer, which concerns a volunteer American guerrilla Robert Jordan fighting in ______.
For Whom the Bell Tolls clearly represents a new beginning in Emest Hemingway's career as writer, which concerns a volunteer American guerrilla Robert Jordan fighting in ______.
A.the Spanish Civil War
B.the American Civil War
C.World War I
D.World War Ⅱ