The <em>magi</em> didn't, technically, <em>invent</em> anything. They were wise men or magicians and probably astrologers. Because astrologers watched the skies and could predict where the stars and planets would move to, they were considered to be able to foretell the future.
C that would be the most realistic answer
<span>With reference to the poem, “Nothing Gold Can Stay”
by Robert Frost, Johnny wants to say that nothing lasts forever especially not to waste time to fulfill his plans of using his potential and leave the life he has lived by being a convict;
instead he should be wise enough and live fruitfully. </span>
