Which of the following options correctly adds a question tag to the statement?

The option that correctly adds a question tag to the statement is indeed the one that says, "You're coming to the party, aren't you?"

In English grammar, question tags are short questions added at the end of a statement, usually to confirm information or seek agreement. To form a correct question tag, the auxiliary verb of the main statement must match the subject in number and type (affirmative or negative).

In the statement "You're coming to the party," the subject is "you," and the main verb is "are." Since this statement is affirmative, the corresponding question tag should be negative, which is formed by using "aren't" (the contracted form of "are not"). Therefore, the full sentence with the question tag reads: "You're coming to the party, aren't you?"

The other options fall short for various reasons. For instance, using "right?" is too informal and doesn't follow the standard structure for question tags; it functions more as a conversational prompt than as a grammatical tag. The option that poses "are you?" also does not follow the correct format because it does not create a proper tag that corresponds to the statement. Finally, the usage of "is it?" is incorrect as it does not match the auxiliary verb