Given below are four jumbled sentences. Select the option that gives their correct order.

A) New technologies and doctrines would usher in the mobile warfare that characterized World War II in Europe.

B) The phrase “trench warfare” immediately conjures images of the mud and slaughter of the Western Front during World War I.

C) Millions died in fruitless offensives that saw men “go over the top” into withering machine gunfire.

D) Ultimately, inventions such as tanks and airplanes allowed troops to move through or over No Man’s Land.