I'd say d is the answer. By chemical attack, it is specifically a gas attack. Gas masks, all buy one is able to put on their gas masks. Presumably that one guy died. B is definitely incorrect.
a-gree-a-ble is the correct breakup for the word agreeable
It's most likely D, having little value.
Context clues:
Fans want to hear the important parts of the game, so if he is trying to "annoy" them, he must not be saying anything important. So it's "having little value".
Amplify Sound - Resonators.
Sotto Voice - Stage Whisper.
Articulators - D<span>ivide Sound into Words and Syllables.
</span>Stridency - H<span>abitually Shrill Voice Quality.
Pitch - One's Tone of Voice.
I know all of these 100%. Have a nice day. </span>
Here's the criteria for Persuasive:
May make claims based on opinion. May not take opposing ideas into account.
Persuades by appealing to the audience’s emotion or by relying on the character or credentials of the writer – less on the merits of his or her reasons and evidence. Emotion-based.
I believe he's using mostly persuasive reasoning.
Here's the criteria for Argumentative reasoning:
Makes claims based on factual evidence. Makes counter-claims. The author takes opposing views into account. Neutralizes or "defeats" serious opposing ideas. Convinces audience through the merit and reasonableness of the claims and proofs offered. (I only see use of the first and last one, not 2nd or 3rd one). Here's a link for your reference. You can do a google search on persuasive vs argumentative.
Often compares texts or ideas to establish a position.
Logic based.