Respuesta :
Answer:
The Coast Guard warns swimmers about dangerous waters.
Explanation:
In the whole text, the readers can read about how the Coast Guard is trying to make that everyone is safe. In a text, there are described actions of the guard, how weather conditions and the Gulfstream are important for the safety of swimmers. Also is described how the cutter helped two surf boarders who could collide with a small raft.
The explicit idea in a sentence is that the Guard is concerned about the safety and do everything to prevent any possible accidents.
The correct answer is A. The Coast Guard warns swimmers about dangerous waters.
Explanation
According to the fragment of the question, it is possible to affirm that the explicit idea of the paragraph is that the Coast Guard warns swimmers about dangerous waters because in one part of the fragment it is stated that "The Florida Coast Guard headed towards the beach to warn swimmers of the danger "after monitoring the winds and waves, where they found that there were possible risks. Also, on average they were going to put warning flags to prevent swimmers from entering the sea. Therefore, the correct answer is option A.