-Did you walk to school this morning?

-No, we went by bus ________．

1. A.
   instead of feet
2. B.
   instead walking
3. C.
   instead of on foot
4. D.
   instead on foot

—Did you walk to school this morning?

　 —No, we went by bus _____．

A． instead of feet　　 B． instead walking 　　　 C．instead of on foot D．instead on foot

－Did you walk to school this morning?

－No, we went by bus ________.

[　　]