Read each sentence carefully. which sentence uses brackets correctly? the climbers told the reporter, "the fellow hikers in the group climbing the mountain were from south america [what a coincidence! ]." the climbers told the reporter, "the fellow hikers in the group climbing the mountain [denali] were both from south america." the climbers told the reporter, "the two teams [although many others attempted] who recently climbed denali were from south america." the climbers told the reporter, "the two teams who recently climbed denali [the highest mountain in north america] were from south america."