Which sentence contains a pun?

A. Can we get together on this tomorrow?

B. I blinked at the bright light outside.

C. Would a cardboard belt be a waist of paper?

D. But that shirt is missing sleeves!

C. Would a cardboard belt be a waist of paper?

C. Would a cardboard belt be a waist of paper?

The sentence that contains a pun is:

C. Would a cardboard belt be a waist of paper?

To identify a pun, we need to find a sentence that uses a figure of speech or a play on words to create a humorous effect.

Looking at the options provided:

A. "Can we get together on this tomorrow?" - This sentence does not contain a pun. It is a straightforward question about scheduling a meeting.

B. "I blinked at the bright light outside." - This sentence does not contain a pun either. It describes a common action (blinking) in response to a bright light.

C. "Would a cardboard belt be a waist of paper?" - This sentence contains a pun. It plays on the words "waist" and "waste." The word "waist" refers to the part of the body, but it is used here as a pun for "waste" to create humor.

D. "But that shirt is missing sleeves!" - This sentence does not contain a pun. It is a statement describing a fact about a shirt.

Therefore, the sentence that contains a pun is C. "Would a cardboard belt be a waist of paper?"