Read the following excerpt from levitt and dubner’s freakonomics. driving around the parks that encircle washington, he solicited customers with a simple pitch: early in the morning, he would deliver some bagels and a cash basket to company’s snack room; he would return before lunch to pick up the money and the leftovers. it was an honor-system commerce scheme, and it worked. within a few years, feldman was delivering 8,400 bagels a week to 140 companies and earning as much as he had ever made as a research analyst. he had thrown off the shackles of cubicle life and made himself happy. based on the excerpt, which statement best strengthens feldman’s claim that people are mostly honest? a. feldman solicited customers with a simple pitch. b. feldman’s payment system was largely successful. c. feldman earned a good living delivering bagels. d. feldman found a new career and made himself happy.

He leaned his head against the wall; his eyes were shut, his hands clasped in each other, and his body seemed to be sustained in an upright position merely by the cellar-door against which he rested his left shoulder. the lethargy into which he was sunk seemed scarcely interrupted by my feeling his hand and his forehead. his throbbing temples and burning skin indicated a fever . . there was only one circumstance that hindered me from forming an immediate determination in what manner this person should be treated. my family consisted of my wife and a young child. our servant-maid had been seized, three days before, by the reigning malady, and, at her own request, had been conveyed to the hospital. we ourselves enjoyed good health, and were hopeful of escaping with our lives. our measures for this end had been cautiously taken and carefully adhered to. they did not consist in avoiding the receptacles of infection, for my office required me to go daily into the midst of them; nor in filling the house with the exhalations of gunpowder, vinegar, or tar. they consisted in cleanliness, reasonable exercise, and wholesome diet. who is the story’s first-person narrator