Q:I'm taking a test and have to guess the right answer to the question after the article. Article: Mr. Smith works in an office. He's very busy and has no time to have a good rest . Every evening , when he comes back from his office , he's always tired and wants to go to bed early . But his wife, Mrs Smith, often has a lot of interesting things to tell him after dinner . She doesn't stop talking before she goes to sleep . One day the man felt terrible and couldn't go to work . He decided to go to see a doctor . And Mrs. Smith went to the hospital with him . Before her husband asked the doctor what was wrong with him , the woman told the doctor all and the doctor understood why . He wrote out a prescription . And when Mrs. Smith brought the medicine to the doctor , the doctor said to her , " The bottle of medicine is for your husband and the sleeping pills are for you . " " For me ? " the woman said in surprise " I'm fine . I don't need any medicine ! " " I don't think so , madam " , said the doctor . " They are sleeping pills . Your husband will soon be all right if you take them . " Question: Mr. Smith work _ . Options: A: in a school B: in a hospital C: in an office D: in a shop
A:
C