The answer is the first one, letter a because that means the emotional and imagery part of the two words
Explanation:
Name the device that is Used to measure the depth of ocean or sea
Spent more than 100 weeks on the bestseller list
A play on words that is often humorous but can have a serious purpose is called pun. The purpose of a pun is to cause an effect in the reader or listener. It can be use for creative language use, comic relief or even to hide a joke or insult.