Answer:
a. internal preview
Explanation:
According to a different source, these are the options that come with this question:
a.internal preview
b.transition
c.bridge
d.precursor
e.internal summary
This would be an example of an internal preview. A connective refers to a type of language that allows different ideas in the text to be connected to each other. In this case, the author connects the ideas by letting us know what the structure and content of the speech will be. This is an example of an internal preview as we get a preliminary glimpse at the internal content of the speech.