Do you have a name or can i call you mine

Astudent wants to replace the underlined word to make the meaning more precise. which phrase would be the best replacement for the underlined phrase ?

How does new technology, ideas, and innovations affect society

Which of the following factors most consistently contributes to the speaker’s believability? a the age and experience of the speaker b the physical environment in which the speech is delivered c the sincerity, knowledge, and trustworthiness of the speaker d the position of the thesis statement in the speech