What does roosevelt mean when he says a muck-raker is like a person who "fixes his eyes only on that which is vile and debasing"? a he is comparing muck-rakers with people who enjoy creating problems. b he is comparing muck-rakers with people who focus on negative things. c he is establishing a standard from which to judge whether people are good or bad. d he is establishing a standard of what is good muck-raking and what is bad muck-raking.

He is comparing muck-rakers with people who focus on negative things.  The correct option is B.

Roosevelt was highlighting that all of these"muckrakers" as he dubbed them only reported on the bad aspects and never on the good ones. He claimed this because as reporters they were focusing more on getting people to read their articles than telling the truth. Consequently, this gave way to several factual errors in their writings.  

mark twain, real name samuel langhorne clemens, was an american writer, humorist, entrepreneur, publisher, and lecturer. among his novels are the adventures of tom sawyer and its sequel, the adventures of huckleberry finn, the latter often called "the great american novel". wikipedia

they played you again smh, you should be provided with the right answers.