Which Is the Most Appropriate Action When You Aspirate Some

Which is the most appropriate action when you aspirate some blood while administering an IM injection?

A) Continue aspirating and, if no further blood appears, give the injection. 
B) Continue the injection and massage the site very well. 
C) Stop the injection and call the physician to observe site. 
D) Withdraw the needle, dispose of the needle, and start again.