根据我国《土地增值税暂行条例》的规定，纳税人应当在一定期限内，向房地产所在地税务机关办理纳税申报，该期限为( ) 。

A．取得转让收入之日起7日内

B．取得转让收入之日起10日内

C．转让房地产合同签订之日起7日内

D．转让房地产合同签订之日起10日内

A block and tackle is “rove to advantage”. This means that the（）.

A.blocks have been overhauled

B.hauling parts of two tackles are attached

C.hauling part leads through the movable block

D.hauling part leads through the standing block