Which of the following statements about EPSPs in the central nervous system is FALSE?

A. Multiple EPSPs arriving together at different locations on the dendritic tree can summate and help bring a neuron to threshold.
B. EPSPs occurring close together in time can summate and help bring a neuron to threshold.
C. A single EPSP can generate an action potential.
D. Their effect in the central nervous system can be nullified by IPSPs.