按照通货膨胀产生的原因分类，可分为财政赤字型通货膨胀、银行信贷型通货膨胀、( )、经济过热型通货膨胀和外债型通货膨胀。

A．结构失调型通货膨胀

B．结构调整型通货膨胀

C．奔腾式通货膨胀

D．温和式通货膨胀

One solution to major security problem is __( )__ ，which are frequently installed to fix known security holes.

A．patches

B．compensations

C．complements

D．additions