D) By helping them cope with abnormal situations.

D) 通过帮助他们应对异常情况。

The abnormal situation, where the propensity to consume may be sharply affected by the development of extreme uncertainty concerning the future and what it may bring forth, should also, perhaps, be classified under this heading.

消费倾向可能受到关于未来的极端不确定性及其可能带来的情况的严重影响的异常情况，或许也应该归入本标题下。