Evidence Has Found That the Employment of Unsolicited Applications from 'Walk-Ins

Evidence has found that the employment of unsolicited applications from 'walk-ins' and 'write-ins':

A) has become a more serious problem for organisations with the growth of online recruitment.
B) are imposing enormous costs on organisations in processing and administering these applications.
C) have produced better results than placement services or newspaper advertisements.
D) is diminishing in importance for organisations in an era of downsizing and restructuring.