[单选题]
10.03: The following 3 measurement(3je*xp; 5 0yij g-ewgcchg+ms ot* faa+k*6 zp7n fk/eef length are given: $L_1 = 22.05\;m$, $L_2 = 6.1123\;m$, $L_3 = 89.6\;cm$. What is the sum of these measurements using rules of proper significant digits?
A. $120 \; m$
B. $118 \; m$
C. $117.8 \; m$
D. $117.76 \; m$
E. $117.7623 \; m$