I must be off.Do say"Hi"____your brother___me

问题描述:

I must be off.Do say"Hi"____your brother___me
A.from,to
B.to,from
为什么是B
理由 还有 翻译下

B.
我即将离开.
请把我的问候说给你哥哥.
Say ‘Hi“to your brother.
"Hi" is from me.
这一声“你好”的问候是来自我.
你帮我转达我对你哥哥的问候