Answer:
D. Making a successful climb requires putting together a superior team upon which you.
Step-by-step explanation:
If Erik Weihenmayer had not had a team that supported him, he would have turned back and returned to the base, that in the best of scenarios. On the worst of them he would have died. As the passage states, each member of the team contributed with his knowledges on having a better understanding of the weather and mountain conditions, in this way they could decide what to do. In every complex human activity labor must be divided to obtain better results that benefit the majority. As this is a climb that has a lot of challenges and dangers, a team must be put together.