The correct option is:
It creates an enlightened mood, as it shows that Douglass feels true happiness for the first time in a long while.
The use of the word "rapture" conveys a profound sense of joy and emotional upliftment in Douglass's experience upon seeing Sophia Auld's kindly demeanor. This moment stands in contrast to his experience as a slave, highlighting a brief encounter with kindness and compassion, which evokes a deep, positive emotional response in him.