A; identify the central ideas of the text.
B; form an opinion about the text.
C; list every detail that appears in the text.
D; compare the text with other texts.
The answer is C 100% sure
I believe it is personification because he is giving the sand the ability to stretch and to be alone which sand cannot do.
Nick idolizes Gatsby because he admires Gatby's wealth, love for Daisy and his popularity.