Given below are four jumbled sentences. Out of the given options pick the one that gives their correct order.

A. Some such common events that bring us happiness for a short time include passing an exam, getting a job, going on a vacation or buying a dream house.
B. Happiness is more difficult to achieve than peace as we keep striving for it daily.
C. Peace, on the other hand, is sustainable for many years, costs less energy, and doesn't depend on external events such as these.
D. Events that we struggle for in our daily lives to bring us happiness only come randomly, stay for a short time and subside.