Read and choose. (读下面的对话，补充完整)

A: How do you do!

B: 例: (F)

A: Andy,who is your good friend?

B: 1( )

A: What does he look like?

B:  2 ( )

A: What is he like?

B:  3 (     )

A: What is he good at?

B:  4 (     )

A: What's his hobby?

B: 5 ( )

A. His hobby is swimming.

B. He is tall. His hair is black.

C. Sam is my good friend.

D. He is friendly.

E. He is good at maths.

F. How do you do!

在温暖潮湿的环境里，腐烂的苹果会发出酒味，引起这种变换的生物是[ ]

A．细菌

B．青霉

C．曲霉

D．酵母菌