An Instructor Gives a Student a 103

An instructor gives a student a 103.1 g sample of a compound. A student takes this sample and using one of the laboratory balances measures the sample 4 times. He got the following results: Based on these results, how would the student's measurements best be characterized? Assume that the sample's mass is actually 102.1 g.

A) The measurements are both accurate and precise.
B) The measurements are accurate but not precise.
C) The measurements are precise, but not accurate.
D) The measurements are neither accurate nor precise.
E) The measurements say nothing about accuracy or precision.