Adog wants to tell its owner that it has to go out. the dog approaches the owner, barks, and then rushes toward the front door. in this communication process, what element is the recipient?
a. dog
c. owner
b. barking
d. rushing to the door

The correct option is C.
The dog owner is the recipient.  A recipient is the one who receives the message. In this case given here, the dog is the initiator of the communication and it is communicating with its owners who is the recipient or the receiver of the message.