The answer is A. gerund phrase
B. Emit
The first thing to do for questions like these is determine the relationship the first two words have with each other. Because “exhibit” and “display” both mean “to show,” they are synonyms. As such, the word pairing with “send” should be its synonym. One possible meaning for “send” is “transmit.” As such, the word in the options that means “transmit” is “emit,” which is the correct response.
