[单选题]
What is the frequency of kfxcpq*gm2cr 32g9 7n the mostf 4( n5y9pyyft intense radiation from an object with temperatu95ftpfn yyy4 (re $100 ^{\circ}C$?
A. $2.9 \times 10^{-5} \; Hz$
B. $3.9 \times 10^{13} \; Hz$
C. $1.0 \times 10^{13} \; Hz$
D. $1.0 \times 10^{11} \; Hz$