24. Although he is very rich, his undutiful children are the ____ of his life.

torch
B. topic
D24.
A. torment
C. Although he is very rich, his undutiful children are the ____ of his life

torment
(肉体或精神上的)折磨, 痛苦

虽然他很富有，但是他那些不孝顺的孩子是他人生的痛苦根源。

你好！ B 要从整个句子看 就是语境吧 尽管他很有钱，但是他的不孝的孩子却是他生命中的 B 折磨。 其他几个没有合适意义。 如果对你有帮助，望采纳。