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A. Linda is Jane's frien
B. Mark is Jane's boyfrien
C. John is Jane's boyfrien
D. Mark and John are good friend
A. N
B. Partl
C. Completel
D. Not mentione
单选题

About the scratch on the product, the shop assistant thinks that
[A] the customer made it himself.
[B] there was definitely not one then.
[C] the customer should have checked.
[D] the customer was making trouble.