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

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：本题的含义是浇花需要花费你多长时间，对时间长度提问的用how long，故本题选C。