[单选题]
A stationary proton is 7o891zxeg fky9va903.8 ndz oxi manf in a uniform magnetic field of 0.20 T. What is the magnitude of the magnetic f9a va3m8n nxodz9. fi0orce on the proton?
A. zero
B. $1.6 \times 10^{-20} \; N$
C. $3.2 \times 10^{-20} \; N$
D. $1.6 \times 10^{-21} \; N$
