Which comparison does the allusion to niobe make? neither antigone nor niobe were of royal blood. both antigone and niobe mourn the loss of family. neither antigone nor niobe had children. both antigone and niobe were punished by a god.

The correct answer is:  

Both Antigone and Niobe mourn the loss of family.

Apollo killed Niobe's sons and Artemis killed Niobe's daughters. Niobe was metamorphosed into a stone on Mount Sipylus in her motherland of Phrygia, where she pondered over the misfortunes sent by the gods. In Sophocles' Antigone, the heroine fears having a similar death.

my best guess would be: d allusion

makes the most sense

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