[单选题]
Water flows through a pipe. Thejm,i.opc6 o u)fs yg 0.d6:wsrbj3+yy diameter of thejolrqm 9)wc62 pipe at point B is larger than at point A. Where is the speedrlcjq )62w 9om of the water greater?
A. point A
B. point B
C. same at both A and B
D. cannot be determined from the information given
