[单选题]
If a guitar string has a1tuqp8. xkd h):qz4scarozj1;a .onl5* js9xb5i nos7,0 rdr(mic+q fundamental frequency of 500 Hz, which one of the following frequencies can set the strinbd50smqir+i ,(c7 ro ng into resonant vibration?
A. $250 \; Hz$
B. $750 \; Hz$
C. $1500 \; Hz$
D. $1750 \; Hz$