Petrol is manufactured from the____oil we take out of the ground

Petrol is manufactured from the____oil we take out of the ground.
A、raw
B、rough
C、tough
D、crude
E、 
【正确答案】：D
【题目解析】：raw 生的；rough 粗糙的；tough 艰苦的；crude 天然的句意：汽油是由我们从地下开采的原油制成的rawB