15. Было рассмотрено много способов

15. Было рассмотрено много способов, а об этом даже не подумали.

Результаты (английский) 1:

15. it was considered by many ways, and don't even think about it.

Результаты (английский) 2:

15. It was considered by many ways, and this is not even thought of yet.

Результаты (английский) 3:

15. it was considered by many ways, and it was not even thought of.