Having checked the doors were closed and ______ all the lights were off, the boy opened the door to his bedroom.

A．why

B．that

C．when

D．where

以下属于基金首次募集披露的信息是（）。

A．基金份额上市交易公告书

B．基金资产净值

C．基金年度报告

D．基金份额发售公告