What Is the Difference Between Dependent and Independent Events

What is the difference between dependent and independent events?

A) The probability of an independent event depends on whether or not another event has occurred, whereas the probability of a dependent event does not.
B) The probability of a dependent event depends on whether or not another event has occurred, whereas the probability of an independent event does not.
C) Dependent events must both occur, whereas one independent event might occur without the other.
D) Independent events must both occur, whereas one dependent event might occur without the other.
E) Dependent events have a probability less than one half, whereas independent events have a probability that is one half or greater.