A speaker can convince a listener that his or her thoughts are worth considering by using:

Aopinions.
Bslippery slope reasoning.
Cevidence.
Dad hominem arguments.

Verified Answer :

A speaker can convince a listener that his or her thoughts are worth considering by usingĀ evidence. c:

Answer:

C. Evidence

Explanation:

Evidence refers to anything presented (a document, a witness testimony, tangible things, facts, etc.) that supports or disproves an assertion. So, if a speaker wants to convince a listener that their thoughts are worth considering, or that they are valid or well grounded, they need to present something that supports those thoughts: evidence.