Question

What are the most harmful substances... onto the soil? а) gotb) are gettingc) have gotd) to get​

Answer 1

Into the soil*
c) have got

какие самые вредоносные вещества попали в почву?
думаю тут прошедшее время

Answer 2

The correct answer is:

d) to get

The original question asks about the most harmful substances to get onto the soil.