[单选题]
If a guitar string has a fundamental zqr s6m*+ k+ketj9) (;nflmt kfrequenh xdk 0x 7mk2:c4wu6qgcy of 500 Hz, which one of the following frequencies can setuk62h gm7w k04cq:xdx the string into resonant vibration?
A. $250 \; Hz$
B. $750 \; Hz$
C. $1500 \; Hz$
D. $1750 \; Hz$