Answer:
C
"Act,— act in the living Present! / Heart within, and God o’erhead!" ( Lines 23-24)
Step-by-step explanation:
The text detail that best supports the answer to Part A is C which is "Act,— act in the living Present! / Heart within, and God o’erhead!" Taken from Lines 23-24.
The answer in quote was taken from a poem ( A Psalm of life ) which was written by Henry Wadsworth Longfellow. An American writer who wrote the poem immediately after finishing lectures on a German writer with the name Johann Wolfgang von Goethe who also inspired the writer in writing the poem which was initially published in the year 1838.