Although Peter grew up in a______ area, he turned out to be an accomplished engineer owing to his efforts.
A、run-down
B、torn-up
C、worn-out
D、run-out
【正确答案】：A
【题目解析】：run-down破败的，破旧的。torn-up磨损的。worn-out磨损的，破旧不堪的。run-out筋疲力尽的。句意：尽管Peter在一个破败的地区长大，但是由于他的努力，他还是成长为一个成功的工程师。
