题目内容
(请给出正确答案)
[单选题]
The only variable in the futures contract is price which is discovered on an exchange-
A.ground
B.house
C.centre
D.floor
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A.ground
B.house
C.centre
D.floor
A.public
B.protected
C.private
D.no modifer
A.protected
B.public
C.no modifer
D.private
A、Only one row
B、As many as are in the result
C、As many as are host variables used in the call
D、As many as host variable array structures can hold
A.Director B.Pointer C.Array D.Record