Answer:
B
Explanation:
Let's not make it complicated. The original text used stuff about, making it less informal and casual. Although the question is looking for a more concrete phrase, A and D doesn't look like a better way to write it.
Maybe consider C but it's highly likely its B.
Although he normally uses alleys and is respectful about the placement of his art, his paintings are technically illegal and considered vandalism!
I hope this helped