Choose the best answer to complete each of the following sentences. Louis Brail didn’t give up studying ________ he became blind by accident at the age of three.
【单选题】听力原文:Should I try a different delivery service? (A) I've tried several times, but I can't fix it. (B) Yes, the one we've been using isn't very good. (C) You're right, it is different. (12)