Read the sentence. The clouds gathering on the horizon were an inauspicious sign for the outdoor class, so rather than risk getting caught in a downpour, Dara decided to bring the class indoors. Based on context clues in the sentence, what is the most likely meaning of inauspicious?

a

explanation:

cassius, casca, and their allies plant false documents to manipulate brutus to join their cause to remove caesar. after doing so, they visit brutus at night in his home to persuade him of their views. there they plan caesar's death. brutus is troubled but refuses to confide in his devoted wife, portia. on 15 march, caesar's wife, calpurnia, urges him not to go to the senate. she has had visionary dreams and fears the portents of the overnight storms.