[单选题]
Water flows through a pipe. The diameter of the pipe at poink n.m;20j0 b1j65bzzua icl xa7vkx lo0o4gk6 1tgec+t B is larger than at poi+ gxt7evl0 46k1okocgnt A. Where is the water pressure greatest?
A. point A
B. point B
C. same at both A and B
D. cannot be determined from the information given
