Xbond Master | Next Rank: 500 Posts View User Profile Posts: 275 Joined: Wed Jul 02, 2008 4:19 am Thanked: 4 times PS - Average by Xbond » Fri May 08, 2009 7:57 am Hi there, I have some difficulties to understand why D is the answer could you explain the logic and concept. my answer was C Top Quote