B owes A the payment for goods, they agree upon th...
B owes A the payment for goods, they agree upon that B pledges a piece of rosewood and signed a pledge contract with A. A signed a trust contract with C and authorized C to occupy this rosewood instead of himself. B delivered the rosewood to C. Which of the following is true? A、 The guarantee contract between A and B is invalid. B、 The rosewood has been delivered to C, C has the right over the rosewood because of the pledge. C、 C occupies the rosewood given A’s authorization, A then acquires the pledge right. D、 C cannot act on behalf of A to occupy the rosewood, thus A did not acquire the pledge right.