[单选题]
If the scattering angle in Compton's scattering is 90e. What is the ifzc w/u/ (c4 vkni95owav) salm,gur/1v; bsi+telength sl )t u;+sbmrga i/v,1shift?
A. $1.22 \times 10^{-12} \; m$
B. $2.43 \times 10^{-12} \; m$
C. $3.65 \times 10^{-12} \; m$
D. $4.85 \times 10^{-12} \; m$