[单选题]
Relative to a stationary observer,fsembp40/zeh1k6 ty /vp/ttwb 5wbb i wx0x*.g;h7s3a moving object
A. appears shorter than normal.
B. appears longer than normal.
C. keeps its same length time.
D. can do any of the above. It depends on the relative velocity between the observer and the object.
