We can complete the sentence as "Cold calls and telemarketing have become less popular over time, primarily because their success rate is fairly low."
The term cold calls is used to refer to those calls we receive from people trying to sell us a product or a service. The term is, thus, interchangeable with telemarketing, which refers to the use of phones or the internet to try and perform sales.
Cold calls and telemarketing are, with time, becoming less popular. Their success rate is fairly low, that is, the number of people who actually make the purchase is not high enough for those practices to be considered successful.
With the information above in mind, we can choose option A of the answer choices as the correct answer for this question.
The complete question with the missing answer choices is the following:
Cold calls and telemarketing have become ________ over time, primarily because their success rate is ________.
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https://brainly.com/question/3700565
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