题目内容：
根据下面材料，回答第题：Millions of Americans and foreigners see GI.Joe as a mindless war toy, the symbol of American military adventurism, but that’s not how it used to be. To the men and women who 1 in World WarⅡand the people they liberated, the GI. was the 2 man grown into hero, the poor farm kid torn away from his home, the guy who 3 all the burdens of battle, who slept in cold foxholes, who went without the 4 of food and shelter, who stuck it out and drove back the Nazi reign of murder. This was not a volunteer soldier, not someone well paid, 5 an average guy up 6 the best trained, best equipped, fiercest, most brutal enemies seen in centuries.
His name isn't much. GI. is just a military abbreviation 7 .Government Issue, and it was on all of the articles 8 to soldiers. And Joe? A common name for a guy who never 9 it to the top. Joe Blow, Joe Palooka. Joe Magrac...a working class name. The United States has 10 had a president or vice-president or secretary of state Joe.
G.I. Joe had a 11 career fighting German, Japanese, and Korean troops. He appears as a character. or a 12 of American personalities, in the 1945 movie The Story of G.I. Joe, based on the last days of war correspondent Emie Pyle. Some of the soldiers Pyle 13 portrayed themselves in the film. Pyle was famous for covering the 14 side of the war, writing about the dirt-snow-and-mud soldiers not how many miles were 15 or what towns were captured or liberated. His reports 16 the “Willie” cartoons of famed Stars and Stripes artist Bill Maulden. Both men 17 the dirt and exhaustion of war, the 18 of civilization that the soldiers shared with each other and the civilians: coffee, tobacco, whiskey, shelter, sleep. 19 Egypt, France, and a dozen more countries, G.I. Joe was any American soldier, 20 the most important person in their lives.
[A] performed
[B] served
[C] rebelled
[D] betrayed
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