An MP3 recording has the exact same quality as a CD

If your boss asked you to explain to a colleague how to fill out and submit an expense report, this would be an example of a speech about a(n) ________

Fill in the blank(s) with correct word

In order to safely communicate with gay strangers, gay men use ________ to indicate they are interested in another man

a. a firm handshake b. a quick head nod c. prolonged eye gaze d. smiling and waving