Which sentence is written in the passive voice?
a)ted grunted in frustration at how many e-mail messages were currently in his inbox. b)the young woman sang passionately into her mirror, imagining her future life as a pop star. c)tina stomped out for the history classroom hurriedly to get to her locker as quickly as possible. d)the dishwasher was kicked angrily by the young husband who had spent ten hours trying to repair it.

One of the author's purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with enormous speed mark this and return save and exit next submit