It's an example of a poorly written email, it looks like somebody is angry and yelling at you, these types of emails can be described as a poor etiquette.
What the future beholds!
Trouble with technology? Not a problem!
Techno Gadget
I have more ideas if you're not interested in any of these. :)
Answer:
D.
Explanation:
Its the exact definition of an undecidable problem. Plus I have my notebook open next to me and that's what it says, trust bro.