To enjoy the scenery, Irene would rather spend long hours on the train _____ travel by air.

1. A.
   as
2. B.
   to
3. C.
   than
4. D.
   while

To enjoy the scenery,Irene would rather spend long hours on the train _______ travel by air.?

A. as B. to?

C. than D. while?

To enjoy the scenery, Irene would rather spend long hours on the train ___travel by air.

To enjoy the scenery, Irene would rather spend long hours on the train ___travel by air.

A．as               B．to               C．than             D．while