1. What is important about the way Paul mentions Haie's death?

All quiet on the western front

1. C) transition

2. A) road signs

3. A) Meanwhile

Explanation:

1. Transition sentences provide a connection between ideas. Obviously, their main purpose is 'to help writing flow more naturally.'  

2. The author says this:

"When you write a paper for English class, you know there must be some type of  transition between thoughts...

The following are some ideas for highlighting your main points and keeping the audience on target:

Signposts (which indicate where the speaker is going) are road signs for listeners. Signposts include words and phrases such as First, The second step in the process, Third, Finally..."

3. Meanwhile is a transition word of time. B and D are just nouns; C is a verb.