Задание 15 ЕГЭ, английский язык: Полное понимание информации в тексте

Sunflower oil became popular in 18^th-century Russia because …

1)  it was cheaper than other oils, and both the rich and the poor used it.

2)  it was a new kind of oil, and so, people were curious about it.

3)  it was not on the list of fats that were banned during Lent.

4)  Russia was one of the largest producers of sunflowers.