TOEFL Listening: TPO-TOEFL听力TPO - 00S9YY97NDN1C50DR$

What does the woman imply when she says this: A. She confused the man for another student who had visited the lab earlier in the day. B. The man is mistaken about how many videos are in the series. C. The language lab does not own the whole series of videos the man needs. D. The man is not familiar with the procedures used at the language lab.