Final answer:
The validity of an informational text is determined by the foundation of its argument, known as the premise.
Step-by-step explanation:
The correct answer is A. The premise of an informational text is the foundation of an argument.
An informational text is a type of non-fiction writing that provides factual information on a specific topic. The premise of an informational text is the main idea or claim that the author is trying to support with evidence and reasoning.
For example, if the informational text is about climate change, the premise could be that human activities are contributing to global warming. The author would then present evidence and arguments to support this premise throughout the text.
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