根据深圳证券交易所《资金申购上网定价公开发行股票实施办法》的规定，每一证券账户申购数量不得超过本次上网定价发行数量，且不超过（）。

A．9999500股

B．99999500股

C．999999500股

D．1000000000股

The manager was very angry，for he had sent his business partner two thousand machines yesterday，

half of ________ unqualified.[ ]

A．them  

B．what

C．which  

D．whom