Can we draw the following hypothesis from the context (see options)?

Context:

How to small talk for successful business networking<br>Introduce and initiate. Go ahead and initiate with a hello! Even if you recognize, or slightly know someone, re-introduce yourself. Be aware of how he introduces himself (you may know him as charles, but maybe he goes by chuck) and use his name throughout your interaction.

Hypothesis: A person will not inevitably go by the name you know him as.
Choose your answer from:
(A). Yes
(B). It's impossible to say
(C). No
(A).