The Cascade of the melody helped the child to fall into a peaceful slumber.
I think it’s C not sure tho sorry if it’s wrong
C. an understood you, because usually you is the subject in the sentence, but it is understood without it.
I think that the correct answer would be :
C.) Its spare grayness sets up a desolate mood
I hope that this helps you !
Answer:
the 4th one is the answer