[单选题]
If a guitar string has a fundamental frequency of 500 H tq az63t 44-d;txle9ubuw860vws ik bz, which one of the foxna0qm. 9 iqy,llowing frequencies can set the string into m qya 0n9i,.qxresonant vibration?
A. $250 \; Hz$
B. $750 \; Hz$
C. $1500 \; Hz$
D. $1750 \; Hz$