— I think travelling by train is more fortable than travelling by plane.
— . In my opinion, travelling by plane is more fortable.
A. I agree with you
B. I couldn’t agree more
C. You’re right
D. I’m afraid it isn’t
网友回答
A. I agree with you
B. I couldn’t agree more
C. You’re right
(答案→)D. I’m afraid it isn’t
解析：I agree with you 我同意你的看法；I couldn’t agree more我完全同意；You’re right你是正确的；I’m afraid it isn’t恐怕它不是。句意：我认为乘火车旅行比乘飞机旅行更舒服。根据下文，我的意见是，乘飞机旅行更舒服。结合语境可知选D。