Neither, because the shoes could be made of velvet, in that case, then it is neither or if the shoes are not really made of velvet, it is a metaphor. it is definitely not a simile
The correct answer is C. The adjective clause modifies "the MP3 player"
Answer:
It should be A
Explanation:
If it is wrong and you can retry then choose B. B is incorrect but sometimes they give you ****** answer choices XD