The sentence - Both Lee and I received the e-mail message that you sent us - is written in the active voice. The correct answer is A.
The passive voice would be - The e-mail message that you sent us was received by both Lee and I.
You need to give us the text
The sentence would be "Over the years, the research group has seen that humpback whales often live and hunt together for years"
Answer: A. revise her prompt
explain: revise means to re-examine and make alterations to written or printed matter.
hope this helped :)
