-- does it take you to water the flowers?A. HowB. What timeC. How longD. How money

问题补充：

-- does it take you to water the flowers?

A. How

B. What time

C. How long

D. How money

答案：

解析：考查疑问词;句意:浇灌这些话用了你多长时间，故选C，多久。