A and B eliminated at first sight
.
we need to use the structure: one of +noun/ noun phrase + that + are
we need plural 'their '
So D is out.
out of C and E, E is wrong because E is wordy and 'looking at using' does not sound idiomatically correct.
correct me if i am wrong.
hence C is the answer.
we need to use the structure: one of +noun/ noun phrase + that + are
we need plural 'their '
So D is out.
out of C and E, E is wrong because E is wordy and 'looking at using' does not sound idiomatically correct.
correct me if i am wrong.
hence C is the answer.





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