The way Telemachus upset his mother when he left to go find his father was D) Penelope's attention had been on her husband, Ulysses, and, so, Telemachus's abrupt departure without telling her shocked and distressed her.
He is the son of King Odysseus of Ithaca, Greece. He hates the suitors who besieged their house, drinking their wine and eating their food.
Hence, we can see that when his father is delayed from returning. he left abruptly and this upset his mother.
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