A 23-year-old primiparous woman in spontaneous labor is monitored with continuous fetal heart monitors. The cardiotocograph shows a baseline fetal heart rate of 110/min with moderate variability. There are no accelerations over a period of 20 minutes and no early decelerations. This tracing falls under which of the following categories?

A) Category I
B) Category II
C) Category III
D) Category IV