What is true about the paragraph provided in the question is that it is biased, with statements that cannot be proven, as stated in option A and seen below.
A biased text is one that presents the author's opinion about the subject, that is, a text that is not impartial. The text we are analyzing here is certainly biased, and the author's opinion is clear: "No other invention can compare with the drastic changes brought by cell phones."
However, other people may very well disagree with the opinion. Some may say that computers were the most important invention, since they were the predecessors of the smartphones we use nowadays. Others may say it was the telephone, since without it we would not have cell phones at all.
In other words, there is no way for the author of the paragraph to completely prove what he or she is saying as the only truth. Thus, there is no way for the text to be objective. It is biased, since it consists of an opinion.
With the information above in mind, we can conclude that option A is the correct answer.
Learn more about biased texts here:
https://brainly.com/question/4939502
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