Chọn câu có nghĩa tương đương

(CHỌN CÂU CÓ NGHĨA TƯƠNG ĐƯƠNG) More petrol is consumed nowadays than ten years ago. 
A. Not so much petrol was consumed ten years ago as nowadays.
B. Petrol consumption is going down nowadays.
C. We had more petrol ten years ago than we do nowadays.
D. We should consume as much petrol as possible.