Option 1 -> The woman ignored his extended hand and frowned at him, showing no signs of being pleasant or welcoming.
Option 2 -> She was neither enthusiastic (effusive) nor talkative (garrulous); in fact, she remained silent and unresponsive.
Option 3 -> While she may have been taciturn (quiet), she was not placid (calm/peaceful) as evidenced by her frowning and critical examination.
Option 4 -> Her actions—ignoring his handshake, scrutinizing him from head to toe, and frowning—clearly demonstrate contempt and irritation.
Hence, Option 4: disdainful and irritating -> The elderly woman displayed disdain by deliberately ignoring Murugan's extended hand for a handshake and looking him up and down critically through her bifocals while frowning. These behaviors indicate she was both contemptuous of him and visibly irritated by his presence at her door. -> correct