When Discussing Her Research Project on Family Violence, Serena Says

When discussing her research project on family violence, Serena says that she will utilize official police statistics and data from Statistics Canada as her main source of data. Tom pointed out to her that she may have a problem with validity of her findings. Why would Tom say this?

A) Official statistics are less reliable for social research than for the natural sciences.
B) Official statistics are collected by bureaucrats who often find results that support their interests.
C) Official statistics do not meet the criteria of falsifiability.
D) Statistics are problematic since they are not objective factors on which everyone agrees.