Assumptions of Poisson Distribution Include All of the Following Except $t$

Multiple Choice

Assumptions of Poisson distribution include all of the following except

A) expected number of occurrences of an event is proportional to the length of the interval
B) probability of occurrence of events in two intervals of the same length will be equal
C) probability of occurrence of events in the interval $t$ to $t+1$ is not affected by occurrence history in the interval $\mathrm{t}-1$ to $\mathrm{t}$
D) probability of occurrence of events in the interval $t$ to $t+3$ is not affected by the occurrence of events in the interval $t-1$ to $t+1$