_______ their help in the past years, he would be living a hard life and might even have starve to death.[ ]

A. With      

B. If it were not for      

C. If it had not been for      

D. If not

对于被假释的罪犯，在假释考验期限内，由( )予以监督。

A．监狱机关

B．人民法院

C．检察院

D．公安机关