在我国，根据市场情况，有权调整大宗交易最低限额的是（）。
A.证券业协会
B.证券登记结算公司
C.证券交易所
D.中国证监会
参考答案：C
--Would you mind my opening the window to let in some fresh air, Jack?
-- No, not at all, Mary, go ahead.
What will Mary do?
A．She won’t open the window.
B．She will open the window.
C．She will go ahead with Jack.
D．She will be angry with Jack.
----Has Mr lee arrived?
---No, but it is already 9 o’clock. He should ____at any time.
A．bring up
B．turn up
C．look up
D．pick up
