[单选题]
What is the frequency4nswr7, fd ;8ym;mr qw ofmd vw e)8x93tp the most intense radiation from an object with temperatupw8v d exm)t39re $100 ^{\circ}C$?
A. $2.9 \times 10^{-5} \; Hz$
B. $3.9 \times 10^{13} \; Hz$
C. $1.0 \times 10^{13} \; Hz$
D. $1.0 \times 10^{11} \; Hz$