[单选题]
Relative to a stationary uh)jbav2t:xi7 o sj081:dvy c observer, a moving objbmvtlbr+. n g/ myx5o9s (46mzect
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.
