B. When the subject addresses something that is very time-sensitive
C. When you have sent previous emails with no response
D. When the subject addresses something meant to occur in the future or impact the future
B or D
i know this isnt suppose to be here or any of that but this needs to be stop any where...ok now that i have your attention everyone needs to know this people all over the world are burning bibles LETS STOP THIS because that is so disrepecful that people are doing that to the bible and thats hurting jesus and gods heart LETS STOP THIS BURNING BIBLE STUFF pls copy and paste this and share the word so we can stop this.