Mark the letter A, B, C, or D to indicate the correct arrangement of the sentences to make a meaningful dialogue each of the following questions.

a.Really? What did he say?.........b.Not yet. I'm stuck on question five. It's so hard!..........c.That would be great! Thanks, Anna...........d. Yeah, that one was tricky. I asked Mr. Smith for help after class..........e.Hey, Tom! Have you finished the Math homework yet?..........f.He explained it step by step. I can show you if you want.