The most likely primary criterion that the telephone company should consider when selecting a property to build the cell tower is option D.
This refers to a place where signals are transmitted from a central network to a wide array of users.
Hence, we can see that because the phone company wants to improve its services to its customers and they want to add an extra cell tower, the main criterion that they would consider would be that the proposed property is at an elevation where it can service the surrounding terrain.
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