What does the phrase let sleeping dogs lie mean

Need answer asap plz! in “ode to the west wind,” which image best expresses the speaker’s hopes for the west wind? a. “scatter, as from an extinguished hearth / ashes and sparks . .” b. “make me thy lyre, even as the forest is . .” c. “. . he lay, / lulled by the coil of his crystalline streams . .” d. “if i were a dead leaf thou mightest bear . .”