Which phrase from the poem "Ashes of Life" BEST shows why the speaker is having difficulty
sleeping?

A. Love has gone and left me and the days are all alike;

B. But ah!--to lie awake and hear the slow hours strike!

C. But all the things that I begin I leave before I'm through,--

D. And to-morrow and to-morrow and to-morrow and to-morrow