题目

Mary is getting married next Saturday. Today she asks her best friend Lucy to shop for clothes to wear at the wedding. ‘So what are we looking for, Mary,’ Lucy asks.  ‘Well, my parents want me to wear a traditional Chinese dress, but I prefer a more modern style. I think I’ll buy two dresses and wear them at different times on my wedding day.’ Mary answers. The girls look in many shops. At one shop, Mary tries on a Chinese-style dress. ‘I like it,’ Lucy says. ‘Red is a very strong color and represents love and prosperity(繁荣) for Chinese weddings. I think your parents will It is ten months since he ______ a doctor. A．becomesB．becameC．has becomeD．had become