下列哪一项不属于非传统风险转移工具（）。

A.保障信托

B.有限风险型产品

C.损失敏感型合同

D.多险种/多触发原因保单

Young children seem to master computer games __________. And playing computer games will always make them feel ___________.

A．easily, easily

B．with ease, at ease

C．easy, easy

D．at ease, with ease