题目内容：

They say chocolate makes everything better, and apparently wagyu beef is no exception. For the past 10 years, the Mayura Station Farm in southern Australia has been feeding its wagyu cattle chocolate and other sweets mixed with their regular feed, and the results have been shocking.

When Scott de Bruin, managing partner at Mayura Station, returned to his father's farm in the Limestone coast of Australia, in 1998, he knew he wanted to do something special to make their beef stand out. But he didn't know exactly how he was going to do that, so he consulted a cattle nutrition specialist from Japan and spent two years experimenting with different feed before deciding on the final daily ration(配给量) for his wagyu cows – a special mix of regular feed, chocolate, gummy bears, strawberries and cream flavored gummy snakes. Each cow eats up to 2 kilograms of ground and partially broken chocolate delivered by Cadbury's every day.

Adding chocolate to the daily diet of cows at Mayura Station started out as a simple experiment, but it ended up making their luxury beef one of the most appreciated in the world. “Many of my customers come to enjoy Mayura beef two to three times a week. They love how the beef has the perfect balance of fat, rich flavor and tender texture(质地),” Michelin star chef Umberto Bombana told Forbes Magazine.

Shane Osborn, Head Chef and Co-Owner of Arcane Restaurant in Hong Kong, added that its unique sweetness, hint of nuttiness and buttery texture make Mayura beef “the ultimate steak”.

Asked if the milk chocolate has a negative effect on the cattle's health, Scott de Bruin says “No, unlike humans – who may start eating chocolates at a very young age for over several decades – these cattle (raised on chocolates for only four months) won't see the long-term negative effects of chocolates in their system.”

As you can imagine, Mayura luxury beef is not cheap. Forbes reports that a 10.5oz-steak sells for $288, but those who can afford it claim it's worth every penny.

1.What is the purpose of the first paragraph?

A. To promote the act.    B. To present happiness.

C. To show the author’s shock    D. To introduce the topic.

2.What did Bruin do after returning to his father’s farm in 1998?

A. He began to work hard.    B. He started to do research.

C. He came to learn about cows.    D. He worked for a Japanese specialist.

3.Why did many customers come to enjoy Mayura beef frequently?

A. Because his service is the first class.

B. Because the price of beef is rather low.

C. Because his beef tastes good and nutritious.

D. Because his advertisement is fairly good.

4.What does Bruin think of the influence of the milk chocolate on cattle?

A. It has no bad influence in the long term.    B. It has long-term effects.

C. It has short-term effects.    D. It makes him puzzled.