Answer
The correct option is (b).
Work Step by Step
The provided statement shows that the narrator is considering that there are extra-terrestrials on the basis of published article in the National Enquirer about UFOs spotted in Texas last month.
Hence, the provided statement is a type of fallacy of inappropriate authority because fallacy of inappropriate authority is type of fallacy in which a person cited as an authority says it’s true or because most people believe it’s true.
Thus, this is a type of fallacy of inappropriate authority.