The job is great in terms of salary . It has its disadvantages, _______ .

A．though

B．however

C．even

D．therefore

上市公司发行新股的持续督导的期间自（）起计算。

A.证券上市之日

B.招股说明书或招股意向书刊登后

C.发审会后

D.提交发行申请文件后