E2C11 (A)
How should you generally sign your call when attempting to contact a DX station working a "pileup" or in a contest? 
A. Send your full call sign once or twice
B. Send only the last two letters of your call sign until you make contact
C. Send your full call sign and grid square
D. Send the call sign of the DX station three times, the words "this is", then your call sign three times
