Question

Regardless of the type of speech, it is important that your supporting materials are ________.

a. humorous
b. credible
c. isolated from the main idea
d. all of the above

Answer 1

The alternative that best completes the sentence is the following one:

b. credible.

Step-by-step explanation:

If you want to make a point, it is important that your supporting materials are solid so the ones listening to you give you credibility. In other words, your ideas and arguments must come from reliable sources so they appear to be credible or plausible.

Answer 2

The correct answer is b. credible

Any type of supporting materials must come from credible sources. They need not be humorous or isolated from the main idea.