A digital scale is used to measure a block that has a weight of exactly 5.0 kg. Five measurements are recorded, and all of them provide a measurement of 4.9 kg. How could this data best be described?
A. The precision is high, but the acuracy could be improved.
B. Both the accuracy and precision are poor.
C. The accuracy is high, but the precision could be improved.
D. Both the accuracy and presicion are excellent.