Final answer:
The answer is option d. cheer up your audience with humor. The six Cs of speech-giving are: be correct, be concise, connect your speech with what you know about your audience, cheer up your audience with humor, be comprehensible, and be compelling.
Step-by-step explanation:
The answer is option d. cheer up your audience with humor. The six Cs of speech-giving are:
a. be correct
b. be concise
c. connect your speech with what you know about your audience
d. cheer up your audience with humor
e. be comprehensible
f. be compelling
Remember, when giving a speech, it's important to be accurate, clear, and engaging. Connecting with your audience and tailoring your message to their interests and needs is crucial, but using humor to cheer them up is not one of the essential Cs of speech-giving.