Read the article and select the best answer. Article: Today Chinese people can enjoy longer and more holidays, such as the two"Gold Week Holidays" -- the Spring Festival, National Day and Mid-autumn Festival and so on. They have more time to travel. Rising incomes also make it possible for ordinary Chinese people to travel abroad . Zhang Haitao, a middle school student in Shanghai will go to Japan with his parents during the Spring Festival. "Overseas touring has always been a dream of mine ,"Zhang Haitao said. " How will you go to Japan, by air or by ship?" I asked him. "By ship. Traveling by ship is more enjoyable than a rushed trip by air.""But a plane is much faster than a ship. ""Yes. but you can't see much during the flight while a sea trip will make you happier, because you can see waves, islands and even big fish." "Will you travel at your own expense ?" "Certainly. Though my father's job is to recycle rubbish, I'm very proud of him. He has saved lots of money in the last three years. What's more, he has made a contribution to protecting our environment." Question: Zhao Haitao is proud of his father because his father _ . Options: A: only helps him make his dream come true B: gave him so much money C: did a great job to our environment D: is hardworking
C