Why Did Chandragupta Maurya Worry That He May Be Assassinated

Multiple Choice

Why did Chandragupta Maurya worry that he may be assassinated?

A) He had many enemies in the army of Alexander the Great.
B) He had seized power by violence.
C) He was constantly in conflict with a co-ruler.
D) He learned of a plot by his secret police.
E) He had previously eaten tainted food.