Opick : Din, there is a good film on Multi Screen Theatre this afternoon. Let’s watch it. I have two free tickets.
Udin : Hmm, I’d love to. But, … I can. I’ve to see my grandma. She’s hospitalized.
Opick : O, sorry. Well, we can go some other time. What if I accompany you?
Udin : It’s okay. Please go, I can manage it myself. Moreover, grandma is getting better.
a. I can’t say for certain
b. I’m afraid
c. I’m absolutely sure
d. It’s undoubted