Question ID:PT77 S2 Q7 Passage:Amber‚ fossilized tree resin sold as a gemstone‚ is particularly valuable when it contains fossilized life forms. Forgers can create fake amber and, in an attempt to improve its value, often embed small, normal-appearing insects in it. Therefore, pieces that are sold as amber are far more likely to be fake if they contain normal-appearing insects than if they do not.  Stem:Which one of the following, if true, most strengthens the argument? Correct Answer Choice:EChoice A:Amber is often sold by small shops and street vendors that take few precautions to ensure authenticity. Choice B:Pieces of amber that contain fossilized life forms are generally larger than plain pieces of amber. Choice C:Amber that contains insects usually demands a higher price than does amber that contains small plants. Choice D:It is very difficult to distinguish between genuine and fake amber without destroying some of it. Choice E:Insects struggling to free themselves from tree resin are usually fossilized in awkward or grotesque positions. 