A. seems correct.
B. which was - unnecessary wordy, it is ----again not needed
C. namely, it was --redundant
D. it is .....not clear what it is
E. that was .....is not required.... ,...., is not required
B. which was - unnecessary wordy, it is ----again not needed
C. namely, it was --redundant
D. it is .....not clear what it is
E. that was .....is not required.... ,...., is not required




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