[单选题]
A circular window of 30 cm diameter in a submqk7n0if3sl t3n cyz44arine can withstan udv -ianj98 4lp9oz-yd a maximum force of jp4 yad9l- - zinu9vo8$5.20 \times 10^{5} \; N$. What is the maximum depth in a lake to which the submarine can go without damaging the window?
A. $680 \; m$
B. $750 \; m$
C. $1200 \; m$
D. $1327 \; m$
