The global credit crisis(信贷危机) has made many people_______ their money.

A．to care for

B．took care of

C．be careful with

D．to be cared about

BSIC是移动网络中的一个重要参数，它是由（）组成的。

A、LAC+CI

B、NCC+BCC

C、BCC+CI

D、MCC+MNC