[单选题]
What is the length odwti5/ry0-pmf/7qp nz3yc nyc2p.4hf the shortest pipe closed onss4q: t07npwb one end that will have a fundamental frequency of 60 Hz on a day when the v 0tbs qn7p4:swelocity of sound is 340 m/s?
A. $1.24 \; m$
B. $1.42 \; m$
C. $2.14 \; m$
D. $4.12 \; m$