依据一定的信托契约,发行受益凭证而设立的基金是()。
A.契约型基金
B.公司制基金
C.开放式基金
D.封闭式基金
参考答案:A
—How many birds can you see in the trees?
—I can see _____ birds in them. [ ]
A. hundreds of
B. five hundreds
C. hundred of
D. five hundreds of
奖酬效价(V)