If a consumer wants a quick settlement of his problem, it's better to complain to ________.

A．A strict law against computer crimes must be enforced
B．Companies usually hesitate to uncover computer crimes to protect their reputation
C．Companies will guard against computer crimes to protect their reputation
D．Companies need to impose restrictions on confidential information

A．why computer criminals are often able to escape punishment
B．why computer crimes are difficult to detect by systematic inspections
C．how computer criminals mange to get good recommendations from their former employers
D．why computer crimes can't be eliminated