The correct answer is otpion C, Tectonic plate movement
Tectonic plate process lead to climate changes is different ways and generally take some ten to hundred million of years. For example the collision between the India and Asia started some 50 millions years ago resulting into a massive tectonic uplift. The climatic changes caused by the release of sulphur dioxide and CO2 during a volcanic eruptions produces short lived climatic changes such as net cooling effect for a period of two years or so. Changes in ocean circulation and solar energy output also produces short duration climatic effects.