[单选题]
Water flows through a pipe. d0s/7f wyt 5efj ;n/mw The ds+(f mbineo*2hyx czx igq)0 )0:tb n:iameter of the pipe at point B is larger than at point A. Where is the speed of the f2h0qzti :csm)*n x+ bgin bx):o(y0 ewater greater?
A. point A
B. point B
C. same at both A and B
D. cannot be determined from the information given