In 1974,a Radio Message Was Sent Out from the Arecibo

Multiple Choice

In 1974,a radio message was sent out from the Arecibo observatory in Puerto Rico.How far has it gotten,approximately?

A) just beyond our Solar System
B) not even to the nearest stars
C) just a miniscule fraction of the distance across the Milky Way
D) almost to the center of the Milky Way
E) beyond the Milky Way,to the Andromeda galaxy