---Have you watered the flowers?
---No, but______.
A.I amB.I’m goingC.I’m just going toD.I will go
网友回答
C解析在某些结构，如：be about to, be going to, be able to, be sure to, be certain to, be likely to, be ready to, be supposed to, be obliged to, be to等后，常省去与前面动词一致的动词原形。