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

<passage>:
Extensive research did not uncover any evidence that the U.S. copyright on this publication was renewed.] What better way to use a time machine than to handle department store complaints? But pleasing  a customer should have its limits! threatening to become more legendary than usual this Christmas. the table containing the drinks, Miss Pringle, who sold millinery, had screamed: "He'll drown!" One out of every three dirty stories started by party attendees had remained unfinished, because each had reminded someone else of another story. The recently developed liquors which affected the bloodstream three opponent. So the climax of one tactic did not simply overturn the Hartshorne, co-founder, from its nail. It tinkled imposingly as its felt a passing suspicion that things might be getting out of hand. worries vanished. Everyone felt fine. There was a scurry to shove the broken glass out of sight and to turn more attention to another type of glasses. holiday," he told a small, blonde salesclerk who was beneath his attention on any working day. drink that would make him feel even better. machine. They must have stuck it in to tighten the frame. Gee, it's old." "This thing has never been processed!" Raising his voice, he shouted jovially, "Hey, people! You're all fired! Here's an order that Hartshorne-Logan never filled! We can't have such carelessness. This Milly was reading aloud the scrawled words on the order form: "Best electric doorbell. Junior detective kit. Disposable sacks for vacuum cleaner. Dress for three-year-old girl." She turned to the assistant general manager, struck with an idea for the first time in her young life. "Let's fill this order right now!" "The poor woman must be dead by now," he objected, secretly angry that he hadn't thought of such a fine party stunt himself. Then he a great proposal and the room grew quiet—"unless we broke the rules just once and used the time warp on a big mission!" There was a silence. Finally, from an anonymous voice in one corner: warehouse. Tell the watchman that it's on my authority. Hunt up the stuff that's on the order. Get the best of everything. Ignore the catalogue numbers—they've changed a hundred times in all these years." Milly was still deciphering the form. Now she let out a little squeal of excitement. come to work here because of that." look fatherly. It didn't. "Well, now. Since it's your relative, let's thrill the old girl. We wouldn't have vacuum sacks any more. So we'll "The minute I write a letter to complain about you, you turn up!" she wrappings that were tied with a half-transparent twine she had never The label was addressed in a wandering scrawl, a sharp contrast to spring afternoon and the quiet suburban landscape, she went into the house. sewing box, tossed a cushion onto the floor, sat on it, and began to "Now I'll have to write another letter to explain that they should Then they'll write again." Out of consideration for Sally, she omitted the expletives that she wanted to add. hunt for a razor blade when Sally clutched at an intersection of the It was green and she had ordered blue. It didn't remotely resemble illustration. Moreover, the shoulders were lumpier than any small "It's probably the wrong size, too," Ann said, pulling off Sally's dress to try it on. "Let's find as many things to complain about as we can." to look vacantly at the distant wall. box he had pulled from the carton. Its lid contained a single word: A triangular trio of jacks stuck out from one end. wire." He peered into the box for an instruction sheet, uselessly. "They must "That's the doorbell, I think," he said, looking at the next object. It had a lovely, tubular shape, a half-dozen connecting rods and a plug does." shoulders of that dress. I'll tie a paperweight to Sally's dress and dye or whatever it is will wash off." "Maybe you'd better start a letter to Hartshorne-Logan. Let's go into pocket and didn't dare look back at her daughter's unsettling means of propulsion. under his arm. "Oh. Something like those name cards with something funny printed on repeating that message, you'd better shut that part off. It might get boring after a while. And it might insult someone." "If this is ventriloquism—" she began icily. "I'll have to order another doorbell just like this one, for the "I'm so sorry you had to walk around the house. It's been a rather hectic day in an awful lot of ways." so excited over a new dress that she's positively feverish. Let's see "Excitement isn't good for me," Mrs. Burnett said testily. "I've had a lot of troubles in my life. I like peace and quiet." "Your husband is better?" "Worse. I'm sure I don't know why everything happens to me." Mrs. the threshold. "Where did this come from?" Les held a small object in the palm of That was in it. But there aren't instructions on how it works." upset over her poor husband's health and she thinks we're insulting her." through an instruction booklet, frowning. booklet into the empty box. stood out clearly against the shiny, coated paper. Black fingerprints, a full set of them, stood out against the sparkling polished table's surface. "I think the Detectolite did it," Bob said. "The instructions say you've got to be very careful with it, because its effects last for a long time." the parcel. Her heart sank. for a nap. It seems impossible, but—" She shrugged mutely. "And I The whole family decided that bed might be a good idea, soon after rhythmic rattle, soft but persistent, that emerged from the hall a bright pink and seemed slightly larger. Deep violet lettering stood out on its side: " today. " quick answer to the letter she had written yesterday. It must have She tore open the envelope and read: voice said. "Your son is in trouble. He claims that it's connected with something that his parents gave him." insists that he didn't know it would make clothing transparent. He claims it was just accident that he tried it out when he was walking by the gym during calisthenics. We've had to call upon every family involving his name, if you'll—" "It's apparently an allergy to some new kind of material. But I don't death if I yanked it off. But it's such an extreme allergy that it may My fingers look all right. But they leave black marks on everything I touch." The doctor looked closely at the fingertips. "Every human has natural oil on the skin. That's how detectives get results with their gesticulating wildly to nobody in particular. "It's murder!" she screamed. "Murder again! He's been poisoned! He's "I was afraid this would happen," Les said. "The poor woman already has lost three husbands. If this one is sick, it's no wonder she thinks that somebody is poisoning him." shaking him. "I got something important to tell you," Bob said rapidly, ready to tell you what I did." "Give me a chance to explain something. Downstairs. So he won't hear," doorbell was monotonously saying in a monotone: "Don't answer me, don't answer me, don't go to the door." "Why did you do it?" Ann asked Bob, her anger suddenly slumping into weary sadness. "People will suspect you of being a sex maniac for the rest of your life. You can't possibly explain—" see what would happen. I don't know exactly what effect—" claims that her husband is poisoned. Young man, I'm going to put you drifted through the house.

<question>:
What theme could be taken from this story?

<options>:
A don't try to change the past
B it's important to try new things
C people can't be trusted
D there's a solution to every problem

<answer>:

A