[单选题]
The sound intensity level 5.0 m fromu:sl -vr8)8r bth zfa) ae 3dh*+ ( 2s3pf5.igtatr)- v vovozdm2q .vrs point source is 95 dB. At what distance will i rotr2 -sv+ gi52m3qv)ez. (foah*vt sddpv.3t be 75 dB?
A. $25 \; m$
B. $50 \; m$
C. $75 \; m$
D. $225 \; m$
