Read the following passage and questions, then choose the right answer from options, the answer should be one of A, B, C, D.

<passage>:
THE MADMAN FROM EARTH BY KEITH LAUMER You don't have to be crazy to be an earth diplomat—but on Groac it sure helps! [Transcriber's Note: This etext was produced from connection with the assault on two peace keepers and illegal entry into the offices of the Ministry for Foreign Affairs." the U.S. copyright on this publication was renewed.] I "The Consul for the Terrestrial States," Retief said, "presents his compliments, et cetera, to the Ministry of Culture of the Groacian It is clear you are in the hands of a dangerous lunatic. As always, the Groaci wish only friendship with the Terrestrials, but—" "Miss Meuhl," Fith said, "a peace squad waits outside your consulate. Autonomy, and with reference to the Ministry's invitation to attend a The door burst inward. A crowd of crested Groaci pressed into the room, "You're violating Terrestrial territory, Shluh," Retief said steadily. "I suggest you move back out the same way you came in." "I invited them here," Miss Meuhl spoke up. "They are here at my of armed Groaci in the consulate?" "Why, why," Miss Meuhl stammered. "Yes, of course. And I do want to be so busy." "Well!" Miss Meuhl said. "May I ask where you'll be if something comes you do. Don't add violation of the Consulate to the list of Groacian with the Groaci. I certainly hope you're not thinking of openly intruding—" "Why?" "The Groaci are a very sensitive race. They don't welcome outworlders raking up things. They've been gracious enough to let us live down the fact that Terrestrials subjected them to deep humiliation on one occasion." "The importance of my task here," Retief said, enunciating the glottal dialect with difficulty. "My interest in local history." "The impossibility of access to outworlders. To depart quietly." "The necessity that I enter." "The specific instructions of the Archivist." The Groacian's voice rose direction of the Terrestrial Consulate General. The few Groacians on high-wheeled ground cars puffed silently along the resilient pavement. The air was clean and cool. At the office, Miss Meuhl would be waiting with another list of Groacian equivalent of a bar. Retief went in. A Groacian bartender was dispensing clay pots of alcoholic drink from the edge of the pit. "To sample a true Groacian beverage." decide whether I like it." "To be grappled in by peace-keepers for poisoning of—foreigners." The The Groacian reached for him, missed. A passer-by stepped around him, Groacian. are two gentlemen waiting to see you. Groacian gentlemen." "Government men, I imagine. Word travels fast." Retief pulled off his cape. "This saves me the trouble of paying another call at the Foreign Ministry." "What have you been doing? They seem very upset, I don't mind telling you." Two Groaci wearing heavy eye-shields and elaborate crest ornaments "I am Fith, of the Terrestrial Desk, Ministry of Foreign Affairs, Mr. Consul," the taller Groacian said, in lisping Terran. "May I present "One hour ago," The Groacian said, "a Groacian national was brought foreigner. A Terrestrial, to be precise. Investigation by my department indicates that the description of the culprit closely matches that of the Terrestrial Consul." episode! And you—" "Terrible? I understand that a Terrestrial task force stood off Groac and sent a delegation down to ask questions. They got some funny answers, and stayed on to dig around a little. After a week they left. Somewhat annoying to the Groaci, maybe—at the most. If they were "Why did the government fall, Fith? It was just after the task force paid its visit, and before the arrival of the first Terrestrial diplomatic mission." "This is an internal matter!" Fith cried, in his faint Groacian voice. "The new regime has shown itself most amiable to you Terrestrials. It has outdone itself—" "—to keep the Terrestrial consul and his staff in the dark," Retief said. "And the same goes for the few terrestrial businessmen you've visaed. This continual round of culture no social contacts outside the diplomatic circle no travel permits to visit out-lying districts, or your satellite—" back—about nine, I think—there was a little parade held here. Some curious looking creatures were captured. After being securely caged, they were exhibited to the gentle Groaci public. Hauled through the streets. Very educational, no doubt. A highly cultural show. communicate with each other. Altogether it was a very amusing exhibit. "Tell me, Shluh, what happened to those six Terrestrials after the narco-interrogation would get that out of any Groacian who saw the parade." "Yes," Fith said weakly. "It is true, they were Terrestrials. But there was no killing." Terrestrials ... were unharmed. Naturally, we feared them. They were strange to us. We had never before seen such beings." came, we realized our error. But we feared to speak. We purged our guilty leaders, concealed what had happened, and ... offered our friendship. We invited the opening of diplomatic relations. We made The two Groacians exchanged looks. A Groacian threw a switch. A weak bluish glow sprang up. Terrific B7 New Terra' were lettered in bright chrome duralloy. "How did you get it in here?" Retief asked. "It was hauled here from the landing point, some nine miles distant," where acceleration couches had been mounted, the empty instrument Silently, the Groacians led the way back out through the tunnel and toward the Terrestrial. "Out of deference to your diplomatic status, Terrestrial, I shall ignore your insulting remarks," Fith said in his reedy voice. "Let us "I advise you to remain very close to your consulate," Fith said. "I advise you to dismiss these fancies from your mind, and to enjoy the cultural aspects of life at Groac. Especially, I should not venture out of the city, or appear overly curious about matters of concern only to the Groacian government." Meuhl snorted. "I really can hardly blame the Groaci. They are not a sophisticated race they had never before met aliens." "You're ready to forgive a great deal, Miss Meuhl. But it's not what happened nine years ago I'm concerned with. It's what's happening now. far. The cruiser itself must be somewhere near by. I want to know where!" "The Groaci don't know. They're a very cultured, gentle people. You can do irreparable harm to the reputation of Terrestrials if you insist—" the Groaci is to dispose of both of us. We're the only ones who know touch with you via hand-phone." "What are you planning to do?" blast in here and anyway, they won't make things worse by killing you. A force can be here in a week." "What in the world—Where have you been? What's happened to your clothing?" at least." He jotted figures on a pad. "Warm up the official sender. I have a long transmission for Regional Headquarters." "Are you going to tell me where you've been?" in all my years in the Corps, I've never encountered a personality less suited to diplomatic work." going to, Miss Meuhl. But until I've heard A Groacian official appeared on the screen. "Yolanda Meuhl," he said without preamble, "for the Foreign Minister of the Groacian Autonomy, I herewith accredit you as Terrestrial Consul to Groac, in accordance with the advices transmitted to my government direct from the Terrestrial Headquarters. As consul, you are requested to make available for questioning Mr. J. Retief, former consul, in

<question>:
What was on exhibit in the Groacian parade?

<options>:
A Groacian government officials
B people they had taken as prisoners
C animals from all over the galaxy
D people visiting from Earth

<answer>:

B