Which sentence is written in active voice?
a.
the form should be given to bill when it's complete and ready.
b.
the best class in the school finished the test in less than 10 minutes.
c.
all of the homework was turned in by the students at the end of the six weeks.
d.
cheating is treated seriously by the teachers, who will suspend students.

Read the quote from zimmermann in the code book. a future government could inherit a technology infrastructure that's optimized for surveillance, where they can watch the movements of their political opposition, every financial transaction, every communication, every bit of e-mail, every phone call. everything could be filtered and scanned and automatically recognized by voice recognition technology and transcribed. it's time for cryptography to step out of the shadows of spies and the military, and step into the sunshine and be embraced by the rest of us. which question does this paragraph answer? why does zimmermann think encryption is important? what kind of encryption did zimmermann invent? how does zimmermann’s encryption work? who made encryption based on zimmermann’s work?