Answer:
.a. the speaker sets the tone for immediacy.
Explanation:
Immediacy behaviours are actions that show warmth, inclusiveness, psychological closeness, openness to interactions and positivity. They can be verbal or non verbal.
Therefore, before a speaker decides to add immediacy behaviours in his speech, he must have set the precedent for it. The speaker needs to prepare his listeners before he tries to communicate warmth and psychological closeness, because his listeners may immediately feel suspicious if the speaker jumps into immediacy behaviours without preamble.
A speaker can set the tone for immediacy by preparing his audience with stories that elicit empathy, stories that show the humanity in him and others.
