[单选题]
The speed of an ultra mxb9j,cjj6 ex8mf hxe ci;+z,+ k;v0jsonic sound of freqr3koeqtro:, i b9+2a buency 45 kHz in air is 352 m/s. What is the air temper,:32abqrobre i+k9otature?
A. $33 \; ^{\circ}C$
B. $34 \; ^{\circ}C$
C. $35 \; ^{\circ}C$
D. $36 \; ^{\circ}C$