现有以下一些物理量和单位，用相应的字母按下列要求选择填空。

A．温度 B．米 C．赫兹 D．长度 E．速度 F．秒

属于物理量的是_________(填字母)，属于单位的是_________(填字母)。

A: What shall I do I’ve got so many things on my mind now. Will anybody help me
B: ().

A. How can I get support from others

B. Don’t expect me to help you. Is there anybody who can help me

C. Don’t ask me. It’s your baby, Mary. See, my hands are full.

D. Sorry. I didn’t expect you are so busy.