Which of these sentences, taken from a personal narrative about christopher columbus, most needs to be revised to make it more formal? a) this idea - this human condition - has existed for thousands of years and seems almost universal. b) in the same way, we tend to develop a history for ourselves in which we always view ourselves in a positive light. c) after a short stop at the canary islands to resupply and make minor repairs, the ships set out across the atlantic. d) most people figured that columbus discovered america, made friends with the indians, and then told everyone else about this land.