A.12~31 B.3~6 C.6~9 D.9~12
A.高于20% B.高于40% C.低于20% D.低于40%
A.商業(yè)持倉(cāng) B.非商業(yè)持倉(cāng) C.非報(bào)告持倉(cāng) D.長(zhǎng)格式持倉(cāng)