单选题 ——______ did it take him to draw the horse?
——Half a week.
A. How much B. How often C. How long

【正确答案】 C
【答案解析】[解析] 根据答语“Half a week．”可推断对方在问：“画这匹马花了他多长时间?”How much用来问多少钱，或就不可数名词提问；How often用来问每隔多久一次；How long用来问时间有多久或问物体的长度。