I don't know what I'm going to( )Atalk to B talk with Ctalk D talk about

I don't know what I'm going to( )Atalk to B talk with Ctalk D talk about
I don't know what I'm going to( )Atalk to B talk with Ctalk D talk about

I don't know what I'm going to( )Atalk to B talk with Ctalk D talk about
D
know 后面跟了一个由what引导的宾语从句,显然这个what 和从句里的talk 有关,由于what的意思相当于sth,所以用talk about
而talk to 和talk with 后面接人,所以排除
talk后面接人的时候习惯用to 和with,接物的时候习惯于用about

D 谈论
talk to和talk with要用who I'm going to...

talk about

D
I'm going to talk about what.

D

of course, D

I don't know what I'm going to talk about.talk about (谈论）

D