下列各项中，句式不同的一项是

It’s a big task I don’t think he_____can finish it before 6 pm[ ]

Why are you so disappointed—I went there hurriedly and waited there for 3 hours，______ the tickets have been sold out．

What he said is not to the point _____ we should focus on constructing a harmonious society.

Tom, supper is ready.—I don’t want to eat , Mum. I’m not feeling well.