「相次いで」という言葉の使い方が最も正しいものを選びなさい。

'Aitsuide' means that similar events happen one after another in a short period. Choice 2, which describes the bankruptcies of companies being reported in succession, is the correct usage. For choice 1, 'nando mo' (many times) is appropriate. For choice 3, 'issei ni' (all at once) is correct. For choice 4, 'zurari to' (in a row), which describes a state, is suitable.