The answer is E. A cannot be the answer because it disapproves one of the fact given in the passage. The passage states that tourists interests are high. We are not supposed to search for statements that contradict the given truth but to find statements that provide another reason for the plan to fa...

The answer choice B is totally irrelevant. It can in no way replace the highlighted text. The highlighted text can be replaced by simply proving that superoxy doesn’t work(since oxygen can be taken to muscles only through blood oxygenated by lungs). The answer should be D. It says even the high perf...