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

<passage>:
To all who didn't know him, Curt George was a firmly. "Now, let's get along to the lion house. And please, children, do not make faces at apparently from nine to eleven, all of them chirping Extensive research did not uncover any evidence that the U.S. copyright "There is no time for silly bouncing your ball. You'll lose it bear may get it and not want to do to avoid being suspected!" somewhat unpredictable, despite anxious to learn details before grammar anyway. You may find "Because they are not necessary. "Sorry, Palit. It wasn't an attempt tendency to confuse one language Manto wanted to win easy popularity by treating a few of the other children, but Palit put his girlish foot down. No use arousing came from beneath the branches "Gee, your father gives you an the chatter of girlish voices, and suspicion. Even as it was— to keep your English straight?" answer. Then she began to skip hear Mr. George. Now, if Mr. George is so kind as to entertain chant, "I know a secret, I know a secret." notice her. The polar bears, the grizzlies, "No, children, we mustn't do anything we can't do well. That And besides, there is no chorus. "That's right. And what other animals come from Australia?" "She shouldn't be like that. perhaps, too, Mr. George will be "Why don't you ask him to?" careless as to lose one of her "Why go through with it at "Because people are depending quits whenever you run into something you don't like. You may as well call quits to your annoyance. Imagine losing nonsense. Take your outfit, and want to change here, and walk around dressed as a lion hunter." "Why not? I've walked around dressed as worse. A drunk." "Drunks don't attract attention. a hurry, so as to lose any resemblance They're too ordinary." "But a drunken lion hunter—that's something special." He went into the next room and began don't know that it's wrong to will swoon at anybody. Besides, I don't consider that making nitwits "Oh, Miss Burton, please don't If she's going to be an actress, I'll bet she'd love to see Curt George!" "Well, after the way she's behaved, powerful, manly, determined-looking. "Then you'll have to do without "How do I look?" Mr. George. It's only two now, poor woman's edition of Rudolph "I feel terrified. I don't know Valentino." "Now, children, I've warned you about that. You mustn't annoy him. Mr. George is a famous "You would talk of water, when you know how I feel." we mustn't take advantage of his "I know, but—he's not in good health, children. They say he got jungle fever in Africa, where he was shooting all those lions, and rhinoceroses, and elephants for his new picture. That's why you mustn't bother him too much." "But he looks so big and other, in manly superiority, and "Oh, yes, it would," asserted one little girl. "He shakes. When he has an attack of fever, his hand shakes." "Yes, Africa is a dangerous "Why did you tell her that continent, and one never knows "Why, because it's the truth. how the dangers will strike one," "So we must all remember how being noticed. Palit said savagely, not to tire him out." bravely Mr. George is fighting dragon, for instance. Go on, Curt George's handsome, manly cause trouble!" He groaned dismally, and "Did you tempt me! You and your sense of humor!" "You and your lack of it! But let's not argue now, Palit. Here, I think, comes the lion-hunter. Let's scream, and be as properly excited as every one else is." "Very well, Palit. Did I tempt and she could sense his resentment. "That's all you get. Now, lay off, and try to be reasonably sober, for a change." "But those kids! They'll squeal so long? My eardrums hurt already. Palit, show her what a fine My God, he thought, how can they keep their voices so high where I could find any one else who'd believe that your hand shakes because of fever." "I know that you're looking out for my best interests, Carol. "Stop it, you fool, before you face wore an expression of distress. don't argue with drunks, Curt. I rose to a shrill fortissimo, but The contemptuous reply sent liked this. An assistant curator of some collection in the zoo, a flustered you?" properly modest as he listened. The remarks about his knowledge of wild and ferocious beasts you have to be." "Cold, suspicious, nasty—and reliable. It's inevitable when I were a little harder to take, but "I thought I recognized it— Me ? That's it! Your subconscious gives you away. You really want to marry me!" "My subconscious doesn't know what it's talking about. All I trail of a rogue elephant—" He told the story of the rogue elephant, modestly granting a co-hero's "Can't you forget for a moment "No. Not unless you forget strange ways of lions. The elephant gun figured in still another tale, this time of a vicious that you're a drunk, and remember Africa—" "Because you weren't there with me!" that you're a man. Not unless "—with hardly enough energy to let them dress you in that you make me forget that you Screams of exultation, shrill as ever, small hands beating "Frankly, Curt, no. I don't "But it's your contempt for me that drives me to drink. And when I think of having to face "Mr. George," she said, in a strangely affected voice, like that George, not a drop." almost ruined his acting career. "Mr. George, I can't tell you by giggles which made the entire careless, Manto. You had no He hadn't expected this, and he repressed a groan. Mercifully, That was the worst of all. He height. You had no business "I did it skillfully. Not a "Don't quibble." "I don't intend to. Some of George, are studying how to act. and getting jittery, Palit. We've animals. "I am not jittery in the least. are, Mr. George. Wouldn't that been away from home too long." they wouldn't be able to act rapidly "You never can tell about such Doris. "I don't know how to act. "Come, come, mustn't be shy. very nicely indeed. Can't want to the proper chemical composition—everything." "Including a population that will be helpless before us." of losing all this." "Don't be silly, Palit. What chances am I taking?" "The chance of being discovered. know what to do, children. If you can act animals—Mr. George expressed to a certain degree act it out, Mr. George, please, danger really threatened, it now your muscles tighten for slightest shadow of danger. So, Palit, you had better stop being fearful." bristles rose at the back of his "I'll be careful. After all, I shouldn't want us to lose these children. They're so exactly the they are, how unafraid, how ruffled, more terrifying than any he had seen in Africa. There they were, with the threat of death and destruction in their terror and helplessness on his handsome, manly, and bloodless after a second to think, Palit "Good heavens, what is Pig-Latin?" "It's a kind of way of talking wild beasts, shouted at them in its own accents of barking thunder. The shrill screaming continued speech had died away. Across

<question>:
What is the real reason for Curt George's shakiness?

<options>:
A PTSD from his time in Africa
B Alcohol withdrawals
C Old Age
D Jungle Fever

<answer>:

B