[单选题]
Two displacement vectors have magnitude92 5ubu4sxb*aoyre v1s of 5.0 m and 7.0 m, respectively. Whenyar v s512ob9 *4euubxjlb 7em /9 qepvvn2c71 these two vectors are added, the magnitu/ v mv1pjc2e79enb ql7de of the sum
A. is 2.0 m.
B. could be as small as 2.0 m, or as large as 12 m.
C. is 12 m.
D. is larger than 12 m.
