Selecting Words - Verbal and Reasoning

Q1:

I listened, but I had no idea what he was ...... about.

A saying

B talking

C telling

D discussing

ANS:B - talking

Saying and telling is a transfer of information from one person to another person while talking is mutual sharing of info between two persons. Here in the context listened is mentioned, so it involves two persons in the scene. So talking is the right answer.