What was one reason that Britain favored letting Germany re-arm and build up it's armed forces?

a) The British realized that the Treaty of Versailles was flawed and unfair
b) The British thought that a powerful Germany would prevent the Soviet Union and Communism from expanding into Europe
c) The British were simply a declining power that had lost the power to shape events and were ready to accept Germany as a "junior partner" in European affairs.
d) The British hoped that Germany could put military pressure on the French