Direction: In question, a part of the sentence is underlined. Below are given alternatives to the underlined part at (a), (b), (c) which may improve the sentence. Choose the correct alternative. In case no improvement is needed your answer is (d).
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As soon as she noticed the workmen, she asked them what they have been doing.
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- have done
- had been
- are doing
- No improvement
Correct Option: B
As per the given above sentence , we can say that
Replace the word what they have been doing :- had been doing
Hence , what they have been doing is replaced by had been doing in above given sentence .
