I;m sorry I read the explanation, it still makes no sense to me how A has anything to do with the lines referred to. To me C look like the best answer because it is giving tribute to the ancestors and it involves ...
Tough. Choice (E) is correct.
You can tell by using the
contrapositive on both of these statements:
If not (prices fall as rapidly as/more rapidly than
competitors),
then not (production costs fall as rapidly or more ...