What statement explains ethel rosenberg's role in the espionage case? she was a member of the communist party. she recruited her brother to pass secrets to the soviets. she was a secretary in the manhattan project. she was an informant for the communist party.

I believe the answer is: "She recruited her brother to pass secrets to the Soviets"

David Greenglass (Ethel Rossenberg's brother) was working as a laboratory workers in project Manhattan, which is supposed to be a secret because it contain United states latest nuclear development. Because of his crime, David served for almost 10 years in prison.

doesn't make any since

explanation: