下列日常生活中常发生的一些变化，属于化学变化的是（　　）

The husband appreciates that his wife always avoids________him in front of his friends.

根据短文，从A、B、C、D四个选项中选择正确答案填空。

    It's December 28th. New Year's Day is 1. Ma Li is in a 2 shop. She wants to buy a blouse 3 her mother. She is happy because she 4 a blue blouse. It looks pretty. She thinks it 5 her mother's trousers well, so she asks the shopkeeper what the 6 is. “198 yuan,” says the shopkeeper. Ma Li is surprised (吃惊的), “Too 7! What's it made of?” The shopkeeper tells her the blouse is made of silk. “Good things always 8 much,” he says.

  “But I have only 190 yuan. Can it be cheaper (更便宜)? I buy it for my mother. ”

  “9. 198 yuan is the last price. But I will lend you 8 yuan.”

  “10? We don’t know each other.”

  “Because I love my mother, too,” says the shopkeeper with a smile (微笑).

B

    I have a twin brother, Bob. He is taller than me. His hair is shorter than mine. Many people think we must have many things in common. But in fact this is not true. Bob is more outgoing than me. When my parents' friends come to our house, Bob often sits there and talks to them. But I often sit there and say nothing. Bob likes reading, cooking and drawing. I just like swimming and playing basketball. He has more hobbies than me, but he is not as athletic(擅长运动的) as me. Because Bob does better than me at school, my mom often says to me, “Bob is younger than you, but he can get better grades, you should learn from him.” We both like eating fast food and listening to music.