Which Is True About Dealing with Cold Contacts

Multiple Choice

Which is true about dealing with cold contacts?

A) Indicate who the individual was that connected you with them in the first place.
B) Send them e-mails with a blank subject line to arouse their curiosity.
C) Since this is a casual association, there is no need to send a thank you note after they spend some time helping you.
D) It is okay to ask them directly for a job.