Answer:
its called upon to shoot an aggressive elephant while working as a police officer in Burma. Because the locals expect him to do the job, he does so against his better judgment, his anguish increased by the elephant's slow and painful death.
Explanation:
The answer is the first option, "We have been chosen."
The present perfect tense is characterized by the usage of the words "have [verbed/verben, etc.]." However, since this sentence must also be in the passive voice, we must act accordingly. Instead of "We have chosen," the sentence now reads as "We have <em>been</em> chosen."
Hope I could <em>have been</em> of assistance!(See what I did there?)
It tells Macbeth that he will never be killed until the Birnam wood comes to Dunsinane.