[单选题]
An aluminum wire 2.0 m in l*bb6of d6fh5a ength and 2.0 mm voeh20d9lt tt)i n /)min diameter supports a 10.0-kg mass. What is the elongation of the wire? (The Young's modult d)v 2ne)h0lmi9t/otus for an aluminum is $7.0 \times 10^{10} \; N/m^2$)
A. $0.11 \; mm$
B. $0.22 \; mm$
C. $0.33 \; mm$
D. $0.89 \; mm$
