I feel _________to say that I can not believe what he said.

I feel _________to say that I can not believe what he said.
A、wanted
B、observed
C、obliged
D、wandered
【正确答案】：C
【题目解析】：obliged必须的；感激的；有责任的；句意：我不得不说我不能相信他说的话。