Explanation
This question asks us for a title for the passage. By
"title," we are to understand "one-line summary," nothing artistic or
suspenseful. We can predict a title, something like, "Nanoparticles are Not
Actually Benign Carriers and Can Have Advantageous Effects." The best choice is
(E), because it captures the avidity (the carrier function), the cell signaling
(the non-benign function) and the fact that results are driven by the
nanoparticles' design. Choice (A) goes too far, because while we are told that
the nanoparticles have advantageous effects, we aren't told that they have
critical effects (and we can infer to the contrary, since the discovered
effects are new). Choice (B) also goes to
far; some previous ideas about nanoparticles were not quite correct, but they
were correct in aspects; the new findings add to the existing theory, rather
than debunk it. Choice (C) expresses something that has no basis in the
passage. Choice (D) misses the central point that nanoparticles have effects
beyond just carrying, or affinity.
The correct answer is (E).
If you believe you have found an error in this question or explanation, please contact us and include the question title or URL in your message.