[单选题]
An aluminum wire 2.0 m m-7cqbw q9 r3pin length and 2.0 -cgci+x:fl. 4aorsf* t/ zp1 lmm in diameter supports a 10.0-kg mass. What is the elongation of the wire? (The Young's modulus for licac*1r:gfo.-l t+4 p /zxsfan aluminum is $7.0 \times 10^{10} \; N/m^2$)
A. $0.11 \; mm$
B. $0.22 \; mm$
C. $0.33 \; mm$
D. $0.89 \; mm$
