<p>hi. iam new here and i need some help in a writing question.</p>
<p>Many ancient Eastern rulers favored drinking vesselsmade of celadon porcelain because of supposedlyrevealing the presence of poison by cracking.(A) because of supposedly revealing the presence of poison(B) for being supposed that it would reveal thepresence of poison(C) because of being supposed to revealpoison in it(D) for it was supposed to reveal that there is poison(E) because it was supposed to reveal the presence of poison</p>
<p>the answer is E. But what does it refer to??</p>