There has been a sharp rise in the level of noise pollution. The authorities are being urged to take firm actions against this problem.

35/50

Sharply though the level of noise pollution has increased, the authorities are being urged to take firm measures.

It is the firm actions on the authorities’ part that have led to a sharp rise in the level of noise pollution.

So sharply has the level of noise pollution increased that the authorities are being urged to take firm measures.

Hardly had the level of noise pollution risen sharply when the authorities were urged to take firm actions.

Giải thích

Giải thích:

Đảo ngữ So that: So + adv + trợ động từ + S + V + O: quá đến nỗi mà

Tạm dịch:

Mức độ ô nhiễm tiếng ồn tăng mạnh đến mức các cơ quan chức năng đang được kêu gọi thực hiện các biện pháp kiên quyết.

Đáp án C