If You Have Received a Job Offer from Another Firm

Multiple Choice

If you have received a job offer from another firm and don't want to accept before you have an answer from the first firm,what might be an appropriate action?

A) Delay the second firm as long as possible
B) Call the first firm and demand an immediate decision
C) Use the offer as leverage for a higher starting salary
D) Send a message of inquiry explaining the situation
E) Accept the offer and quit if the first offer comes through