F: Were you able to understand those English stories without help from the teacher? ,M: Yes, a little difficult, but I can look up some of the words in order to understand them.
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: Good for you! I thought you need help for reading English stories. (C) F: That's OK. The English stories are very difficult, so it is normal for you to need help by the teacher. (D) F: Good for you! I thought you need help for reading English textbooks.
B