which option describes a homophonic pun?

a. a pun that uses two words that look the same but have different meanings
b. a pun that uses ideas from two different disciplines, suck as science and art
c. a pun that achieves its humor through the use of how words appear on the page
d. a pun that uses two words that sound the same but have different meanings

d. a pun that uses two words that sound the same but have different meanings