They have been living under the most appalling conditions for two months. 下面哪一句的appalling的意思与这句中的appalling的意思不同？ A: Rebellions were put down with appalling barbarity. B: I developed an appalling headache. C: The incompetence of government officials is appalling. D: In those villages, the destruction caused by napalm bombs（凝固汽油弹） was so appalling that one could hardly bear the sight of it.