【单选题】

Long ago, in a small village of Wakefield lived two farmers, Harry and Peter. Harry was very hard-working while Peter was (16) Every day Harry got up early and came home late, but Peter walked around for fun.

One summer there was no (17) and the crops were dying. Harry thought, "I must do something to save these crops, or they shall die." With this (18) in mind, he went out to find a river so that he could dig a canal to his fielD、He walked on and on, feeling tired and thirsty.After a (19) search, he found a river full of blue water. He was very happy. He started digging a canal to his fielD、 (20) it was noon his wife sent their daughter to bring Harry home (21) lunch.But Harry did not go. He did not want to leave his work unfinisheD、He completed his work (22) at night. He was very satisfieD、He went home, had a good meal and (23) into a sound sleep.
Peter did the same.But he was not at all determineD、He also (24) digging a canal to his field but he didn’t have his work completeD、His field did not get (25) water and all his crops dieD、
Harry’s field would be watered when needeD、He had a good harvest because of his hard work.
A．for
B．to
C．with
D．at