Answer:
The literary device used in the expression "What! Not married? Because of religion?" is exclamation. An exclamation is a type of punctuation that is used to express strong emotions or emphasis, and is often indicated by an exclamation mark (!). In this case, the exclamation mark is used to show surprise or shock at the fact that the person is not married due to their religion. The exclamation mark emphasizes the speaker's disbelief or surprise at this information.
Step-by-step explanation: