Explanation
This question will be answered by the beginning of the
second paragraph, the only area in which cartilage and bones are discussed and
compared. We can go back and check that portion of the passage, but no
disadvantage appears to be mentioned in the passage. Puzzling. We can turn to
the answer choices, keeping the main point in mind, which is the reason why the
skeleton of the lobe-fish is of interest. Choice (E) is connected to this
point. Indeed, the passage indicates that fish other than lobe-fish, the ones
with cartilage, could not evolve into land-dwellers. The correct answer is (E).
Again and again in reading comprehension, recalling and understanding the key
points of the passage will help answer even the questions that appear to focus
on random details.
Again, the correct answer is (E).
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