What the correct answer

Third-person omniscient narrators are likely to be reliable because they're impersonal and know everything about the story they don't care enough about the characters to lie none of the above both "a" and "b"

What background knowledge would best support this inference about mario?

Ivansanger rainsfordgeneral zaroffwhitneyadventurous hunter; calm and composed; considers himself a realist; new yorker; veteran of world war ia hunter; sympathetic to the plight of voiceless, defenseless animals; cautiouscossack; mute; formidable physical stature; wears a black uniform; used to whip prisoners for the great white czarcossack; aristocrat; has sharp, pointed teeth and red lips; devoid of humanity and emotion