[单选题]
What is the frequency of t l ml+,g)/sgvcqt3v3che most intense radiatio :isn7y34 k3u2ef:nsbz7 f: q5 jvxbobn from an object with temperatu7:xssf 5f3no:ibe 72 nu:ybz3 4b vjqkre $100 ^{\circ}C$?
A. $2.9 \times 10^{-5} \; Hz$
B. $3.9 \times 10^{13} \; Hz$
C. $1.0 \times 10^{13} \; Hz$
D. $1.0 \times 10^{11} \; Hz$