A SUBSTANCE FROM THE LICORICE PLANT, 50 TIMES SWEETER THAN SUCROSE...

951.A substance from the licorice plant, 50 times sweeter than sucrose, was recently discovered, is not only a natural sweetener but also prevents tooth decay. (A) A substance from the licorice plant, 50 times sweeter than sucrose, was recently discovered (B) A substance, which was recently discovered, from the licorice plant, 50 times sweeter than sucrose, (C) A substance from the licorice plant, which was recently discovered to be 50 times sweeter than sucrose, (D) A substance from the licorice plant, 50 times sweeter than sucrose , which was recently discovered, (E) A recently discovered substance, 50 times sweeter than sucrose from the licorice plant,