Which of the following lines from the “We Fight on the Beaches” speech, by Winston Churchill, demonstrate the best example of parallel structure?

A) There was always the chance, and it is that chance which has excited and befooled the imaginations of many Continental tyrants. Many are the tales that are told.
B) We are told that Herr Hitler has a plan for invading the British Isles. This has often been thought of before.
C) All of our types-the Hurricane, the Spitfire and the new Defiant-and all our pilots have been vindicated as superior to what they have at present to face.
D) We shall fight on the beaches, we shall fight on the landing grounds, we shall fight in the fields and in the streets, we shall fight in the hills;