Choose the most logical order of sentences from among the four choices to constuct a coherent paragraph.

A. The great advantage of early rising is the good start it gives us in our day's work.

B. Moreover, the early riser also finds time to do some exercise in the fresh morning air.

C. In the early morning the mind is fresh, so the work done at that time is generally well done.

D. By beginning so early, he knows that he has plenty of time to thoroughly do all the work.