The opponents want the government to consider B. alternatives.
It should be noted that government simply means the group of people who have been given the authority to rule over a group of people.
It was stated that the government commission in Chile approved a $7 billion project and that the money was for the construction of five dams across two rivers.
In this case, the dams would help the country grow out of poverty. Opponents, however, pointed out that the dams would have damaged untouched wilderness areas.
Therefore, the Supreme Court in Chile blocked the project. The court wanted more research into the dams' impact. This showed that there should be other alternatives. This implies that they want something different. Alternative here simply means the proposition or situation where there's a choice that's being offered and only one will be chosen.
In conclusion, therefore based on the information given, it can be deduced that the correct option is B.
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