In a negative way they will focus on scandals of that sports personality as bad people and this will ruin their reputation and this will influence people not to trust or believe in what there doing.
That, is the answer i would think
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.
It shows that there are more sources for the reader to read, and it also is strong supporting evidence for the main idea.