22. Mandy: I had morning classes with Janet. She sounded worried about her grades.
Winnie:Janet Chen? But she’s getting A’s and B’s, isn’t she?
Mandy: She’s been getting high grades since she attended college last year.
Winnie: You see, _______
(A) she isn’t a very good student.
(B) she hasn’t told me her grades yet.
(C) she doesn’t like to talk about grades.
(D) she shouldn’t worry about her grades.
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