China and the United States held their first strategic dialogue on August 1 and _______ to increase co-operation and constructive relations.

A．agreed

B．would agree

C．have agreed

D．had agreed

甲、乙签订货物买卖合同，甲向乙出售价款为350万元的货物，甲交付货物后，乙以其厂房作抵押，并约定一年后付款。在付款期限届满前，乙被宣告破产，抵押厂房经评估作价300万元，甲未放弃优先受偿权。债权人会议上对破产财产分配方案作出决议的，甲享有的表决权所代表的债权额为( )万元。

A．100

B．200

C．50

D．300