[单选题]It may be that in time we shall become used to change as in our older wisdom we had become used to the unchanging. A Time flying, we must keep changing ourselves if we cannot change the world. B Nowadays, people are indifferent to traditions but interested in the rapid changes. C We shall gradually get used to changes in the same way as we took stability for granted in D the past. E We are no longer satisfied with what we have and eager to accept all the rapid changes in the world. F