What does QRadar attempt to do when the system generates “Accumulator is falling behind” warnings?

What does QRadar attempt to do when the system generates “Accumulator is falling behind” warnings?
A . QRadar tries to aggregate the events and flows during the next 60 seconds.
B . QRadar automatically drops the incoming events and flows during that time period.
C . The events that QRadar processes during that period are categorized as stored.
D . Time-series graphs and reports omit columns for the period when the problem occurred.

Answer: C