Q266236 - EN - 2011 - ESCOLA NAVAL - Aspirante - Português e Inglês

On May 2"" my mom asked me: "Do you know that Osama Bin Laden was assassinated yesterday? "
Which alternative best reports my mom's speech?

a) Mom asked me if I know he was assassinated yesterday.
b) Mom asked me if I knew he had assassinated the day before.
c) Mom asked me if I know he assassinated yesterday.
d) Mom asked me if I knew he was assassinated the day before.
e) Mom asked me if I knew he had been assassinated the day before.