读一读，写一写。写出Sarah到Amy家中经过的地方，其首字母已给出。

Sarah will come to Amy's birthday party. She calls Amy.

Sarah: Hi, Amy. This is Sarah.

Amy: Hi, Sarah. Where are you?

Sarah: I'm at the bookstore. How can I get to your home?

Amy: You can go by the No.14 bus.

Sarah: But where is the bus stop?

Amy: You go to the hospital. And the bus stop is next to the hospital.

Sarah: Thank you.

Amy: You're welcome.

b_____________ → h_____________ → b_____________ → Amy's home

在方差分析中所用的检验的拒绝域的临界值来自( )。

A．正态分布

B．χ²分布

C．t分布

D．F分布