Please answer the following question: Write a multi-choice question for the following article: Article: They spend more than ten hours a day cooking, cleaning the house, getting children ready for school and helping with homework. Cooking takes up about one hour and nine minutes a day. Doing the laundry takes about 61 minutes. Mothers also spend about 55 minutes getting children ready for school, about 53 minutes putting them to bed and about 47 minutes helping with homework. However, 30% of those mothers with children under 16 get less than six hours' sleep at night. 83% are not happy because they have less than an hour of their own time every day. Only 17% are happy with this kind of life.
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Question: In the survey, mothers spend about 70 hours a week _ .Options:A going shoppingB doing choresC looking after their familiesD Both B and CAnswer:D