When a prefix ''de-'' is added to the word ''value'', the newly formed word becomes ''devalue'', which means to lessen the worth of something. Therefore, the option A holds true.
What is the significance of a prefix?
A prefix is a tool or an element of the English language, which is used specifically to lead the formation of a word from an already established word in such a way that the formed is completely different in its meaning. A prefix is added before any word.
In the condition as aforementioned, the meaning of the word value is worth or measure, however, on addition of a prefix ''de'', the meaning of devalue is lessen the worth of something. Thus, it is proved that adding a prefix leads to a change in the meaning of the actual word.
Therefore, the option A holds true and states regarding the significance of a prefix.
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