[单选题]
What is the length of the shortest pipe closed on one end that ws+h ,ldoqj2vc(f aw0(mpu,)p/uxs m 8ill h tsz/d1(oaq022mx9sc xb/oh vave a fundamental freqqvsh z/9mbxs2t xd a(/2 10oocuency of 60 Hz on a day when the velocity of sound is 340 m/s?
A. $1.24 \; m$
B. $1.42 \; m$
C. $2.14 \; m$
D. $4.12 \; m$
