甲乙双方约定，甲方的儿子考上大学后，则甲方将甲儿子现在住的房间租给乙方住。则此合同属于( )。

A．附始期的合同

B．附解除条件的合同

C．附生效条件的合同

D．附终期的合同

An analyst does research about hedge fund. Which of the following descriptions of a hedge fund's typical legal structure and investment objective, respectively, are most accurate（）

A.

B.

C.