Which idea does the the following sentence from the passage best express?
"O God," he thought, "what a demanding job I've chosen!
Day in, day out, on the road. The stresses of selling are
much greater than the actual work going on at head office,
and, in addition to that, I still have to cope with the
problems of travelling, the worries about train connections,
irregular bad food, temporary and constantly changing
human relationships, which never come from the heart. To
hell with it all!"
A. It was easy to make friends with new people,
O B. People had jobs that were repetitive and boring
O C. Train travel was the best way to get from one city to the other.
O D. People enjoyed traveling by train.

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?