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1. |
Improve the bracketed part of the sentence._x005F_x000D_ Â _x005F_x000D_ It also indicates the caveats and failure modes in the model need to be improved before (been used independently)._x005F_x000D_ |
A. | been using independently |
B. | being used independently |
C. | been independently |
D. | No improvement |
Answer» C. been independently | |