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Plz help!!!
Read these lines from the poem :

But the lost joys is past! Let your tears and sorrow roll like the rain that used to dapple up the old swimmin’-hole. What theme from the poem do these lines illustrate?

A. the passage of time and growing old can help people forget.
B. The passage of time and growing old can make people happy.
C. The passage of time and growing old can help people remember.
D. The passage of time and growing old can help make people sad .