In the complete metamorphosis of most insects, which stage comes between the larva and the adult?

In December 1944, Marshall, MacArthur, Eisenhower and which air commander became the first U.S. Army five-star generals? Which of these was one of the four original U.S. cabinet posts under George Washington? Which dentist fought alongside the Earp brothers against the Clanton gang at the O.K. Corral on October 26, 1881? Which of these was one of the four original provinces of Canada at Confederation in 1867? Which of these U.S. states is officially called a commonwealth? In 1903, which of these cities had both a National League and an American League team? Which of these countries borders Argentina? Which automaker joined General Motors and Ford as Detroit's "Big Three"?