[ Reported Speech and Reported Questions ]
Can the supervisor do that kind of revision even when he didn´t give us some advice?
A. He wanted to know if the supervisor could do that kind of revision even when he didn´t give them some advice.
B. He want to know if the supervisor could do that kind of revision even when he didn´t give them an advice.
C. He wanted to know if the the supervisor can do that kind of revision even when he didn´t give us an advice.

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