[单选题]
Water flows through a pipe. The diameter of the pipe at point B kr g6jq2e01k2n ze8gcis v3/a6nkgz/of rhk, l2larger than at point A. Whe l36,r2o /ng fvkhak/zre is the speed 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
