从根据对话内容，从方框中选择恰当的句子完成对话。

A：Hello, Lucy.

B：  1 

A：Do you know Kate? She is in Class Four, Grade Seven.

B：Sorry, I don’t know.   2 

A：She’s tall. She has long brown hair.

B：  3 

A：Her dress is yellow, and her pants are green.

B：  4 

A：She is from Japan.

B：Oh, I see. Are you friends?

A：Yes.   5 

根据《蒸汽锅炉安全技术监察规程》的规定：在用锅炉安全阀校验的项目为（）。

A、整定压力、密封性

B、整定压力、回座压力

C、整定压力、回座压力和密封性

D、回座压力和密封性